SK Das, M Konwar, K Chakravarty… - Atmospheric
Research, 2017 - Elsevier
… Elsevier. Atmospheric Research. Volume 186, 1 April
2017, Pages 72-82. Atmospheric Research. Raindrop size distribution of
different cloud types over the Western Ghats using simultaneous measurements
from Micro-Rain Radar and disdrometer …
3.1. Micro Rain Radar (MRR) …
Cited by 5 Related articles All 4 versions
【×】インドでの観測。MRRを用いて降水のタイプを薄い対流性、対流性、層状性、混合型の4つに分類。降水の寄与が大きいのは薄い対流性であった。【融解層を対象としていない】
CL Muller, A Baker, IJ Fairchild… - Journal of …, 2015 -
journals.ametsoc.org
… micro rain radar (MRR) to explore these variations in more detail.
MRRs are a relatively new
method of measuring rainfall parameters at a specific location, providing
microphysical information
on R, drop size distributions (DSD), fall speed, and height of the melting layer [bright …
Cited by 6 Related articles All 6 versions
【×】イギリスでの観測。同位体観測は長期変化を見る研究がほとんどであるので降雨イベント期間内の分単位の変化を調べた。同位体の変化（δD）は降水イベント内でも見られ、降水強度、融解層高度、粒径などの降水特性に大きく依存した。
K Suzuki, K Nakagawa, Y Kaneko, R Oki… - … and
Remote Sensing …, 2016 - ieeexplore.ieee.org
… 4). Micro Rain Radar (MRR) was installed with
Ka radar at the base of 3942 Page
3. Mt. Zao (215 m ASL). The target of Zao intensive observation was the melting layer.
In the early and end of winter, Mt. Zao often has a snowcap …
【△】GPMの検証。蔵王山。画像解析のG-PIMMSを開発した。湿球温度1.5から2.1℃で出現する融解変化の観測に成功した。（関連論文；地上湿球温度、気温減率を加味した降水粒子のタイプわけアルゴリズムの改良を試みた
https://journals.ametsoc.org/doi/abs/10.1175/JHM-D-14-0211.1）
E Adirosi, L Baldini, N Roberto, P Gatlin, A Tokay -
Atmospheric Research, 2016 - Elsevier
… Specifically, installed were a 2D video disdrometer
(2DVD) by Joanneum Research mbH, Graz,
Austria (Schönhuber et al., 2007) and a radar vertical profiler termed micro rain radar (MRR)
by … In all cases, the melting layer was above the highest gate
of the MRR. Table 1 …
Cited by 8 Related articles All 3 versions
【×】２DVDによる地上粒径分布を用いてMRRの粒径分布観測の処理を改善した。イタリアでの観測。
L Wen, K Zhao, G Zhang, M Xue, B Zhou… - Journal of …, 2016
- Wiley Online Library
… 2265–2282. Research Article Statistical characteristics
of raindrop size distributions
observed in East China during the Asian summer monsoon season using 2-D video
disdrometer and Micro Rain Radar data. Authors. Long Wen …
Cited by 7 Related articles All 8 versions
【△】夏のモンスーンを対象とした東シナでのMRRと2DVDの同時観測。
降雨を対流性と層状性に分類。層状性の降雨は頻度が大きく、対流性の降雨は総雨量比への寄与が大きい。夏の期間を通じて、粒径が小さく個数が大きい分布のパタンが出現していた。このパタンはアジアの別の場所では見ることができなかった。局所的なエアロゾルの増加が原因と考えられる。
6 [PDF] Examination of a Winter Storm Using a Micro Rain
Radar and AMDAR Aircraft Soundings.
BL Smith, JL Blaes - Journal of Operational
Meteorology, 2015 - nwafiles.nwas.org
… This study details how aircraft soundings and a
vertically pointing micro rain radar (MRR) were
utilized to monitor changing precipitation types and … in the thermal
profile of the environment, and
more specifically, the strength and depth of a warm (melting) layer centered around …
Cited by 3 Related articles All 2 versions
【△】アメリカの東海岸沿岸部はアパラチア山脈の風下側に当たり予報には複雑の要素がからんでいる。地形が起こす寒気だまり（cold-air damming[CAD]）は、降水粒子の変化を複雑に、急速にする。2007/1/18の降水に対して、現業では用いられていない観測手法を用いて予測した。事例解析により、航空機観測とMRR観測がどのように3～6時間先の予測を向上させるかについて述べる。また、MRRの詳細な時間・空間分解能によって雨、雪に変化する予報がより正確になった。
AMDAR: Aircraft Meteorological Data Relay
NWFSO: National Weather Service Forecast
Office
H Hashiguchi, T Shimomai, I Rahayu… -
Progress In …, 2016 - jpier.org
… Abstract—Micro Rain Radar (MRR) is a vertical
pointing microwave profiler to measure
hydrometeors and related parameters in high resolution … While the melting layer height of the two
instruments was the same, the mean Doppler velocities of MRR shown downward
increasing …
Related articles All 4 versions
【×】インドネシア、西スマトラ島で観測されたデータを用いてMRRの精度向上にかかる研究を行った。ウインドプロファイラとParsivelの同時観測を利用した。【融解層は検出のみ】
BLR: 1G帯ウインドプロファイラ
DK Kim, DI Lee - Meteorological Applications, 2016 -
Wiley Online Library
… Table 2. Specifications of the micro rain radar (MRR). Parameters … 3
Retrieval methodology. In the present study, a spectral method called the Sans
Air Motion (SAM) model (Williams 2002)is used to retrieve RSDs and the related
rainfall parameters below melting layer …
Cited by 4 Related articles All 6 versions
【×】韓国。沿岸部。Parsivelとウインドプロファイラの同時観測。粒径分布が対象。落下速度から粒径分布を求める際に落下速度を考慮。
H Wang, H Lei, J Yang - Advances in Atmospheric
Sciences, 2017 - Springer
… Among the instruments developed that can provide DSD data
spatially and continuously, wind
profile radar (WPR) and micro rain radar (MRR) are increasingly popular … Huang et al.
(2013)
noted that the mean melting layer was from 3700 m to 5000 m in Bei- jing, China,
from …
Related articles All 3 versions
【○】中国沿岸部での観測。2mm/h以下の弱い降水が対象。0.5～1mmの数濃度は融解層より下でほとんど変化しなかった。最大のドップラ速度、およびドップラ速度の最大変化は融解層の直下で観測された。そこでドップラ速度と速度変化を用いて融解層の高度と厚さを定義する方法を確立した。降雪粒子の落下速度は融解層より上での粒子判別に用いることができる。抽出した降水イベントの最初の20分は融解層より上で霰が卓越していた。高度2000mでは霰が最初の250分によく見られた。そのあとの150分は融解層の上で霰と水滴を伴った六花が推定された。
【要調査】降水種の判定に用いた測器
2017 Hong Wang, Hengchi Lei Advances in Atmospheric Sciences pp 1472–1482
Y Chen, JL An, HZ Liu, J Duan - Atmospheric and
Oceanic Science …, 2016 - Taylor & Francis
… Vertical raindrop size distributions of two stratiform
rain events were measured with a Micro Rain Radar during summer 2009 at a
semiarid continental … rate, total raindrop numbers, and parameters (a and
b) of the Z–R relationship was small below a melting layer, suggesting that …
Related articles All 4 versions
【×】中国の乾燥地区（Xilinhot, China (43°38′N, 116°42′E)）で2つの層状性降水を観測。sequential intensity filtering technique (SIFT)なるフィルタリングによってZR関係式の係数がよく合うようになる（降水量推定のばらつきが小さくなる）。鉛直方向の変化では融解層より下で変動が小さい。当該領域ではZR法による降雨推定が有効。
1Convective rain study with radiometer, radar and electric
field observations at a tropical location
A Maitra, S Jana, R Chaktaborty - Antennas and
Propagation …, 2016 - ieeexplore.ieee.org
… radiometer measures brightness temperatures at 14
frequencies at two frequency bands, namely, 22.24-31.4 GHz and 51.3-59 GHz [5].
A micro rain radar (MRR) is used to classify the
rain as convective or stratiform based on the melting layer signature in the rain rate
profile …
Related articles All 4 versions
【×】カルカッタ（海岸と陸が接近している場所）で多波長マイクロ波放射計、MRRとの同時観測。降水量の鉛直分布、雲水量、粒径分布、電場の変動を評価。差し迫った降水を予測するために多波長の輝度温度を活用した。対流性の降水が始まる前は31.4Gの輝度温度が高くなり電場の変動が大きくなった。
2Vertical profile of rain: Ka band radar observations at
tropical locations
S Das, A Maitra - Journal of Hydrology, 2016 -
Elsevier
… Moreover, the variation of VPR near ground (<1 km)
and above up to the melting layer is usually assumed to be similar which may …
In this paper, we report some statistical observations of vertical rain
structure obtained using a vertical looking Micro Rain Radar(MRR) in Ka band …
Cited by 5 Related articles All 3 versions
【△】熱帯域3箇所でMRRによる観測を実施した。降水強度が2mm/hより小さいと粒径分布において小粒子が卓越する。20mm/hを超えると降水強度とともに粒径も大きくなる。
3Dependence of rain integral parameters on measured rain
drop velocities at a tropical location
T Sarkar, S Jana, A Maitra - URSI Asia-Pacific Radio
Science …, 2016 - ieeexplore.ieee.org
… Micro rain radar Micro rain radar (MRR) is a vertically pointing frequency modulated
continuous wave radar (FM-CW) radar … The presence of melting layer can be identified
by observing the bright band signature in radar reflectivity profile …
Related articles All 3 versions
【△】a Laser Precipitation Monitor (LPM) カルカッタでの観測。大粒子で、終端速度より速い粒子、ゆっくりと落下する粒子が存在する。その数は対流性よりも層状性で多い。対流性と層状性に分けてZR関係、AR関係を調査。
4Effects of melting layer on Ku-band
signal depolarization
T Sarkar, S Das, A Maitra - Journal of Atmospheric and
Solar-Terrestrial …, 2014 - Elsevier
… band satellite signal in the presence of melting layer has been investigated with
the experimental data at Kolkata (22°34′N, 88°29′E), India. 2. Experimental
details. For our present study we have used the data from an impact type
Disdrometer, a Micro Rain Radar (MRR) and …
Cited by 12 Related articles All 3 versions
【△】インドKolkataでの観測。静止衛星NSS6によるKu帯の伝搬計算の研究。ブライトバンド内を電波が通過する際に平行（co-polar）成分の減衰と直交成分の強化について調べた。地上粒径分布は、層状性の雨で小さい粒子が多く対流性の雨で大粒子を形成していた。観測結果から粒子融解による水平鉛直偏波の強度差は、弱い降水での粒子分裂の過程【粒子が扁平になる効果】より効果が大きかった。【観測に、RD80,MRRを利用】
G Rakshit, A Maitra - Mapan, 2016 - Springer
… CrossRefGoogle Scholar. [20]. PK Kunhikrishnan, BR
Sivaraman, NK Kumar and DP Alappattu,
Rain observations with micro rain radar (MRR) over … 996–1012.ADSCrossRefGoogle
Scholar.[22]. W. Klaassen, Radar observations and simulation of the melting layer of precipitation …
【△】【要調査】衛星観測とMRRを組み合わせて降水の特性を調査。二波長レーダを利用。衛星観測データと地上降水の鉛直プロファイルを組み合わせる効果を示す。
AK Massmann, JR Minder… - Journal of …, 2017 -
journals.ametsoc.org
Cited by 1 Related articles All 4 versions
【○】チリのNahuelbuta山（1.3km）で暖かい雲の過程と氷晶過程の特徴を解明し、山岳域でそれぞれの過程がどのように連続しているかを調べた。ふもとでは23％が暖かい雲の過程、50％が氷晶過程から発生していた。山岳の効果をほぼ同緯度のカリフォルニアと比較してみた。地形による効果は両過程で高く、上空からのシーディングは山岳効果のために必ずしも必要でないと示唆された【山が低い（？）カリフォルニアでも大きな地形効果が発生しており、地形効果は上空からの種まきの影響でないと思われる】。観測から地形効果は暖かい雲への影響のほうが大きいが、地形効果は氷晶のあるなしにかかわらない。ゾンデ観測による解析では、下層の水蒸気フラックス、無次元化した標高による違いでは、両過程の地形効果の違いを説明できなかった。
T Sarkar, S Das, A Maitra - Atmospheric Research, 2015 -
Elsevier
… Micro rain radar (MRR) is a vertically pointing FM-CW radar that
measures the evolution of DSD spectra and drop velocity of rain above
ground … Radar reflectivity profile indicates the presence of melting layer by a radar bright band
signature (Das et al., 2010; Peters et al., 2002 …
Cited by 11 Related articles All 5 versions
【×機器の比較】MRRと光学的、インパクト式ディスドロメータの比較。大粒径、小粒径の感度はどの測器もよくない。
NVPK Kumar, S Lavanya - Remote Sensing of the
Atmosphere …, 2016 - spiedigitallibrary.org
… hydrometeors also shows a gradient around the melting layer with narrow and wide
distributions above and below the melting layer, respectively … DSD) and
other microphysical parameters in the altitude region of 200m – 3.6 km are
derived using the Micro rain Radar at Thumba …
Related articles All 4 versions
【△粒径分布の高度変化】MRRによる粒径分布評価を層状性、遷移型について調べた。粒径分布の高度別頻度分布を作成した。蒸発・衝突・併合といった微物理過程を調べるのにMRRは有効。
X Xie, R Evaristo, S Troemel… - … of
Atmospheric and …, 2016 - journals.ametsoc.org
… The motivation of this study, which relates
observations of a vertically pointing K-band Micro Rain Radar(MRR) and a polarimetric
X-band … with an analysis of the sensitivity of polarimetric variables and
surface precipitation to initial DSDs below the bottom of the melting layer …
Cited by 5 Related articles All 3 versions
【△融解層より下の粒子変化】降水の蒸発効果をレーダから推定し、地上降水への影響を調べる。蒸発によってZは小さくZDRは大きくなる。小粒子が先になくなるので。上空と地上の観測の違いを解釈することにより降水観測の精度を向上する。MRRはBB判定に利用。
10Impacts of orography and rain intensity on rainfall
structure. The case of the HyMeX IOP7a event
J Zwiebel, J Van Baelen, S Anquetin… - Quarterly
Journal of …, 2016 - Wiley Online Library
… Houze (2003a) presented a conceptual model of the
air-flow and microphysics of the orographic precipitation mechanism in which
growth processes of droplets are enhanced by the local topography through
riming (above 0 °C) and through coalescence below the melting layer …
Cited by 8 Related articles All 2 versions
【△山岳地の降水粒子変化】フランスでの集中観測の結果。山岳域では併合過程および粒子の蒸発が重要であることがわかった。LWCが多いと衝突が強化される。【要旨にMRRなし】
S Majumder, A
Adhikari, A Maitra - Computers and Devices
for …, 2015 - ieeexplore.ieee.org
… time of 30 second [9].
Another instrument which has been used for the present work is a vertically pointing Micro Rain Radar (MRR)
collocated … Bright band indicates the presence of melting layer
in startiform events [1, 9]. We have classified the rain events
during 2012- 2013 into …
【×MRRを用いた降水タイプの分類】
G Rakshit, R Chakraborty… - Antennas and
Propagation …, 2016 - ieeexplore.ieee.org
… Fig. 4. Vertical wind
profile 4. Conclusions The evolution of drop size distribution at different
heights has been studied from micro rain radar observations
during convective rain events at
a tropical location … "Effects of melting layer on
Ku-band signal depolarization," J. Atmos …
Cited by 2 Related articles All 3 versions
【△融解層より下の粒径分布変化】BB直下のZの極小は粒子の分裂によると考えられる
M Fehlmann, E Gascón, M Rohrer, M Schwarb… -
Atmospheric …, 2018 - Elsevier
… Keywords. Snowfall
limit; Melting layer;
Precipitation type; Early warning; Micro rain radar;
Bright band. 1. Introduction. The snowfall limit has important implications for
different hazardous processes associated with prolonged or heavy
precipitation …
【△雪線予報の高度化。MRRを用いて予報を補正する】予測先行時間が6時間程度を対象。数日の予報についてはアンサンブルを利用。融雪流出に利用。
MP Jensen, WA Petersen, A Bansemer… -
Bulletin of the …, 2016 - journals.ametsoc.org
Cited by 36 Related articles All 13 versions
【×】アメリカで深い対流を対象とした集中観測の紹介。
JM Erlingis, JJ Gourley, PE Kirstetter… - Journal of …, 2018
- journals.ametsoc.org
… 2015). Wilson and Barros
(2014) relate the increase of reflectivity toward the ground in Micro
Rain Radar observations
with the interactions between low-level clouds and fog and precipitation,
as well as model moisture convergence patterns required to produce the
low-level …
Related articles All 3 versions
【△山岳が降水形成過程に与える影響を調査】X帯レーダを利用。山地の風上側では併合過程が卓越。谷部では複合過程が起きている。地形による強制上昇が対流を維持し、中央粒径の大きな降水粒径分布となる。
SB Oh, YH Lee, JH Jeong,
YH Kim… - Meteorological applications …, 2018 - Wiley Online Library
… Figure 8. Flowchart of
classification processing for echo types using micro rain radar rain
rate
(MRR RR) and ceilometer cloud base height (Ceil … First, to avoid the
effects of ice cloud droplets,
echoes that were below the melting layer were
used to derive Z–LWC rela- tionships …
【×LWCの3次元分布作成を試みた】雲レーダを用いてZ-LWC関係を作成。Z-LWC関係は雲のタイプによって異なり、雲レーダ（KaCR）のエコーを「非降水雲」「降水雲」およびMRRで判断した「粒径分布」で分類し、それぞれについてZ-LWC関係を求めた。
K Friedrich, EA Kalina, J Aikins… - Journal of …,
2016 - journals.ametsoc.org
… resulted in surface
convergence. During times of weak forcing, shallow convection produced rain at
and below the melting layer through
collision–coalescence and, to a lesser extent, riming. A mesoscale circulation
interacting …
Cited by 12 Related articles All 4 versions
【△大洪水をもたらした雲の解析。斜面上昇による併合過程の効果を指摘】MRRは融解層より上で減衰の影響が大きいので、ドップラ速度のみを用いる。
A Maitra, S Jana, R Chakraborty… - General Assembly
and …, 2014 - ieeexplore.ieee.org
… For the present study we
have used the data from an EFM, an impact type disdrometer, a micro
rain radar (MRR)
and a multi frequency radiometer located at the Institute of … Thus it is
capable of indicating the presence of melting layer by
bright band signatures during rain events …
Cited by 14 Related articles All 5 versions
【×大気の電場観測】MRRは層状性、対流性の分類に利用
G Skofronick-Jackson, D Hudak… - Bulletin
of the …, 2015 - journals.ametsoc.org
Cited by 17 Related articles All 8 versions
【×GPM冬期キャンペーンの説明】雪の微物理的特徴を調査することが目的。
関連論文：https://link.springer.com/article/10.1007%2Fs00703-011-0142-z
MRRを用いた雲レーダの検証
関連論文：http://onlinelibrary.wiley.com/doi/10.1029/2011JD016579/abstract
MRRと放射計の比較
[PDF] environmentanalytics.com
LB Perry, A Seimon, MF
Andrade-Flores… - Annals of the …, 2017 - Taylor & Francis
… new high-elevation
comprehensive precipitation monitoring stations at Chacaltaya, Bolivia, and
the Quelccaya Ice Cap, Peru; and a vertically pointing Micro Rain Radar—this
article … (2) What
is the vertical structure (eg, reflectivity, Doppler velocity, melting layer heights)
of …
Cited by 2 Related articles All 2 versions
【△アンデス山脈での降水の特徴の解析】MRRは降水の鉛直分布、融解層高度を調査するために利用。
BK Guha, R Chakraborty, B Nandy… - … and
Devices for …, 2015 - ieeexplore.ieee.org
… Micro Rain Radar (MRR),
which is an FM-CW Radar at 24GHz, has been utilized to obtain drop size
distribution and the vertical rain rate … also signifies the presence of
high specific attenuation in the height range of 5 km probably due to the
presence of melting layer structure
in …
Cited by 2 Related articles All 3 versions
【×減衰補正についての調査】インド、カルカッタ。
TJ Schuur, AV Ryzhkov, DE Forsyth, P
Zhang… - Pure and Applied …, 2014 - Springer
… partial beam blockage is
eliminated in the R(A) field. 4 Evolution of the Radar-derived
Melting Layer on
30–31 January 2010 and Comparisons with Micro Rain Radar
Measurements. For ranges within 30 km, the NO-XP radar is …
Cited by 7 Related articles All 7 versions
【○】可搬型のXバンドMPレーダを用いて、バンクーバー五輪のナウキャスト精度を向上。MP観測によって融解層高度の変化を詳細に調べた。高度変化はMRRと一致した。MP観測からわかる特徴としては、地上付近でZDRが強化された。粒径による落下速度の違い、あるいは小粒子が優先的に蒸発することによる。融解層より上では、高Z低ZDR高ρHV域では対流により凝集または、雲粒付着が卓越していると考えられる。さらに上空ではZDRが大きい領域があり急速な六花の成長と凝集成長の開始を示唆する。この特徴はS帯、C帯のレーダでも観測された。
【要調査：MRRの役割】
S Schauwecker, M Rohrer, M Schwarb… - Meteorologische …,
2016 - doc.rero.ch
… that the height of the
BB ob- served by TRMM and a ground-based vertically looking Micro Rain
Radar are in good agreement. They
further- more suggest that TRMM 3A25 5 × 5 degree grid
data can be a good information source for average melting layer characteristics
where …
Cited by 3 Related articles All 5 versions
【△BBの気候値を雪線の判断に利用】TRMM-PRを用いたBBの判定。高標高部での観測を用いて検証。
P Saavedra, X Xie, C Simmer - AGU Fall Meeting Abstracts,
2015 - adsabs.harvard.edu
… Two cases of evaporation
processes observed by a polarimetric radar and micro rain radar are
shown to offer a detail insight into the evaporation process and the related
DSD evolution. The
first event where an initial Zdr below the melting layer is
observed above 1.5 dB …
【△】蒸発の効果が粒径分布に与える影響を調査。融解層より下が対象。
S Singh, A Chatterjee, S Ghosh… - 40th COSPAR …, 2014 -
adsabs.harvard.edu
… A vertical looking Micro Rain Radar (MRR)
was used for the vertical profile of
micro-physical parameters of rain along with the rain height derived from the
bright
band structure of melting layer of
radar reflectivity profile. The …
【△雲タイプ毎の粒径分布】ヒマラヤでの観測（標高2,200m）での観測。対流性の雲では時に100mm･hに達し大粒子が5mmを超える。
G Rakshit, A Maitra - Computers and Devices
for …, 2015 - ieeexplore.ieee.org
… The measuring principle
of the micro rain radar is
based on the Doppler effect of radio signal
of frequency of 24 GHz, which observes the rain parameters such as radar …
In general it is observed
that the melting layer is
well identified by both the instruments at similar heights …
Related articles All 2 versions
【×MRRとTRMMの比較】カルカッタ
JP Zagrodnik, LA
McMurdie… - Journal of the …, 2018 - journals.ametsoc.org
… coast to middle
elevations. At the latitude of OLYMPEX, the melting layer in
storms
arriving 78 from … (2017), a vertically 265 pointing Micro Rain Radar (MRR)
at the Fishery site indicated non-bright band rain by their 266 criteria …
【△風向が斜面向きの場合は小粒子が形成され降水が強化される。斜面に並行、または、斜面を下る向きの場合は小粒子が蒸発で取り除かれるので降水はあまり強くならない】海岸線からの距離と標高の違いによる粒径の違いについて。強雨は下層の地形によって特徴付けられる。小から中粒子、および、大粒子を増やす。【要調査；強雨が対象なのでMRRの利用は限定的。おそらくブライトバンド検出（NBB降水の抽出）に利用】
M Frech, M Hagen, T
Mammen - Journal of Atmospheric and …, 2017 - journals.ametsoc.org
… This is verified
using a Micro Rain Radar (MRR) …
To verify this conclusion, we have installed
a vertically looking Micro Rain Radar (MRR;
Peters et al. 2005) that is able to fill the gap between
the far field of the operational C-band radar and the disdrometer …
Cited by 5 Related articles All 4 versions
【△】レーダで観測するZと地上のZを1dB以内で一致させる試み。200mはなれて設置した雨滴計により地上観測の代表制を評価。MRRは上空と地上の観測を埋めるために利用。
JM Schmidt, PJ Flatau… - Journal of the
Atmospheric …, 2017 - journals.ametsoc.org
… average of the two
abovementioned ice and liquid water content relations across the melting-layer depth.
The final velocity and derived ice–liquid water content estimates were compared
against those derived independently from the Metek K-band Micro Rain Radar (MRR) …
【△】乱層雲の中の波状雲(billow cloud)を50㎝の分解能を持つ鉛直レーダで調べた。乱層雲の中に周期的な変化が見られた。ＭＲＲは平均構造の確認用。
S Schauwecker, M Rohrer, C Huggel… -
Journal of …, 2017 - Wiley Online Library
… data from two climate
reanalysis products, Tropical Rainfall Measuring Mission (TRMM)
Precipitation Radar Bright Band data, Micro Rain Radar data,
and … mass balance and runoff for
tropical glaciers The SLH is defined as the top of the melting layer during
precipitation events …
Cited by 5 Related articles All 7 versions
【×】ペルーの氷河の成長・消失を調べるためにＴＲＭＭ他の測器を用いて0℃高度の変化を検証した。
R Chakraborty, S Talukdar, U Saha, S Jana… - Atmospheric Research, 2017 -
Elsevier
… Liquid water content
profiles for the study have been taken from Micro Rain Radar
(MRR) observations. MRR … heights. Thus, it is capable of indicating the
presence
of melting layer by
bright band signatures during rain events …
Cited by 6 Related articles All 6 versions
【×】対流性の降水中に見られる、相対湿度の極小部について。減率が低くなり、潜熱が高いところで発生する【上下より暖かいところでは相対湿度は小さくなる】。層状性の雲では発生しない。
N Mazari, HO Sharif, H Xie, AE Tekeli… - Journal of …,
2017 - jh.iwaponline.com
Skip to main content. Main
menu. About the Journal: Aims & Scope; Editorial Board;
Browse Archive; Abstracting - Indexing; About IWA Publishing. Subscribe:
Institutional
Subscriptions; User Licences; IP Registration; IWA Member …
Related articles All 2 versions
【×】降水量の推定方法としてMRRの粒径分布から推定する手法とZR法を比較した。粒径分布から推定したほうが高精度であった。MRRはレーダ直近の3レンジビンは過小評価する。
MR Kumjian, KA Lombardo - Monthly Weather Review,
2017 - journals.ametsoc.org
… Using a vertically
pointing Micro Rain Radar (MRR;
Peters et al … No thresholds were applied,
in order to preserve melting-layer signatures
and those from potentially useful signatures such
as the “snow flare.” For details about the polarimetric radar variables and
their physical …
Cited by 7 Related articles All 4 versions
【△】WSR88Dの準天頂観測（高度変化を距離変化に置き換える解析）により冬に大きな降水をもたらす雲を解析した。大きな降水があるときは、-15℃でのφDPの変化があった。このとき地上観測では雪雨比が大きかった【要調査】。融解層が急速に移動するときは地上の雨雪判定がうまくいっていない。二偏波観測の結果をモデルに取り込み北東アメリカの冬期降水の解明に役立てる予定である。
MRRは雪結晶（crystal habit）と雲粒付着の判定、降水強度の評価に利用。図1でZeの鉛直分布をWSR88Dと比較。
JS Ojo, OL Ojo, CI Joseph-Ojo - Adaptive
Science & …, 2014 - ieeexplore.ieee.org
… The analysis has been
carried out based on the stratiform rain events which normally exhibit
a characterized melting layer or
bright-band. These results are compared with a measurement
from ground-based vertically looking micro rain radar (MRR)
and the mean 0oC isotherm …
Cited by 2 Related articles All 2 versions
【×】衛星通信の減衰を評価するために0℃高度（融解層高度）が重要である。TRMM-PRにより0℃高度を算定しMRRと比較した。両者はよく一致した。
DT Martin, LB Perry, DK Miller, PT Soulé - Climate Research, 2015 -
int-res.com
… 1018 1 min Micro Rain Radar (MRR) … Melting layer heights were
determined using an automated
algorithm in the NCSU OPL Viewer Soft- ware (North Carolina State
University Department of
Marine, Earth and Atmospheric Sciences, Cloud and Precipitation Processes
and …
Cited by 6 Related articles All 10 versions
【要調査】BB中を調べているか？
E Gorgucci, L Baldini - Journal of
Atmospheric and Oceanic …, 2016 - journals.ametsoc.org
… is preferable because it
is more robust and is not influenced by the attenuation of the ice cloud
region and the melting layer …
Gorgucci and Baldini (2015) implemented a method for transforming
DSD vertical profiles estimated by a vertically pointing Micro Rain Radar to
a DSD …
Related articles All 4 versions
【粒径分布の変化】
V Melnikov, D Zrnic, A
Free, R Macemon - 2017 - nssl.noaa.gov
… 2017). Vertical sensing
of precipitation with weather radar and micro-rain radar along
with rain
gage measurements are used on the German radar network (Frech et al.
2017) … cloud areas.
It assumes that snow aggregates exist just above the melting layer thus
their ZDR …
Related articles All 2 versions
【凝集過程が何に寄与するか？】
M Jensen, W Petersen, A Bansemer, N Bharadwaj… - 2015 - pdfs.semanticscholar.org
… (ADMIRARI; Saavedra et
al. 2011) operated at the ARM Central Facility site with its 19 and 37
173 GHz passive microwave radiometers and a K-band Micro Rain Radar to
detect and separate
174 contributions to cloud total water content from cloud and rainwater
components …
【放射計】
D Gochis, R Schumacher, K Friedrich… - Bulletin of the …,
2015 - journals.ametsoc.org
Cited by 89 Related articles All 11 versions
【】
F Giannetti, R
Reggiannini, M Moretti, E Adirosi… - Sensors, 2017 - mdpi.com
We present the NEFOCAST project
(named by the contraction of “Nefele”, which is the Italian
spelling for the mythological cloud nymph Nephele, and “forecast”), funded by
the Tuscany Region,
about the feasibility of a system for the detection and monitoring of
precipitation fields …
Related articles All 11 versions
【ナウキャスト】
R Chakraborty, S Talukdar, U Saha, S Jana… - Atmospheric Research, 2017 -
Elsevier
… Liquid water content
profiles for the study have been taken from Micro Rain Radar
(MRR) observations. MRR … heights. Thus, it is capable of indicating the
presence
of melting layer by
bright band signatures during rain events …
Cited by 6 Related articles All 6 versions
【】
N Mazari, HO Sharif, H Xie, AE Tekeli… - Journal of …,
2017 - jh.iwaponline.com
Skip to main content. Main
menu. About the Journal: Aims & Scope; Editorial Board;
Browse Archive; Abstracting - Indexing; About IWA Publishing. Subscribe:
Institutional
Subscriptions; User Licences; IP Registration; IWA Member …
Related articles All 2 versions
【】
MR Kumjian, KA Lombardo - Monthly Weather Review,
2017 - journals.ametsoc.org
… Using a vertically
pointing Micro Rain Radar (MRR;
Peters et al … No thresholds were applied,
in order to preserve melting-layer signatures
and those from potentially useful signatures such
as the “snow flare.” For details about the
polarimetric radar variables and their physical …
Cited by 7 Related articles All 4 versions
【降雪の急発達】
JS Ojo, OL Ojo, CI Joseph-Ojo - Adaptive
Science & …, 2014 - ieeexplore.ieee.org
… The analysis has been
carried out based on the stratiform rain events which normally exhibit
a characterized melting layer or
bright-band. These results are compared with a measurement
from ground-based vertically looking micro rain radar (MRR)
and the mean 0oC isotherm …
Cited by 2 Related articles All 2 versions
【MRRは検証に利用】
DT Martin, LB Perry, DK Miller, PT Soulé - Climate Research, 2015 -
int-res.com
… 1018 1 min Micro Rain Radar (MRR) … Melting layer heights
were determined using an automated
algorithm in the NCSU OPL Viewer Soft- ware (North
Carolina State University Department of
Marine, Earth and Atmospheric Sciences, Cloud and Precipitation Processes
and …
Cited by 6 Related articles All 10 versions
【山地部における降雪雲の特徴】
E Gorgucci, L Baldini - Journal of
Atmospheric and Oceanic …, 2016 - journals.ametsoc.org
… is preferable because it
is more robust and is not influenced by the attenuation of the ice cloud
region and the melting layer …
Gorgucci and Baldini (2015) implemented a method for
transforming
DSD vertical profiles estimated by a vertically
pointing Micro Rain Radar to
a DSD …
Related articles All 4 versions
【前出？粒径分布の変化】
V Melnikov, D Zrnic, A
Free, R Macemon - 2017 - nssl.noaa.gov
… 2017). Vertical sensing
of precipitation with weather radar and micro-rain radar along
with rain
gage measurements are used on the German radar network (Frech et al.
2017) … cloud areas.
It assumes that snow aggregates exist just above the melting layer thus
their ZDR …
Related articles All 2 versions
【凝集の寄与】
M Jensen, W Petersen, A Bansemer, N Bharadwaj… - 2015 - pdfs.semanticscholar.org
… (ADMIRARI; Saavedra et
al. 2011) operated at the ARM Central Facility site with its 19 and 37
173 GHz passive microwave radiometers and a K-band Micro Rain Radar to
detect and separate
174 contributions to cloud total water content from cloud and rainwater
components …
【48と同じ。放射計を利用】
D Gochis, R Schumacher, K Friedrich… - Bulletin of the …,
2015 - journals.ametsoc.org
Cited by 89 Related articles All 11 versions
【】
F Giannetti, R
Reggiannini, M Moretti, E Adirosi… - Sensors, 2017 - mdpi.com
We present the NEFOCAST
project (named by the contraction of “Nefele”, which is the Italian
spelling for the mythological cloud nymph Nephele, and “forecast”), funded by
the Tuscany Region,
about the feasibility of a system for the detection and monitoring of
precipitation fields …
Related articles All 11 versions
【予測システム。50と同じ】
LAT Machado, MAF Silva Dias… - Bulletin of the …,
2014 - journals.ametsoc.org
… These data include 1)
the selected cloud properties from X-band dual-polarization
radar (X-Pol)
and Micro Rain Radar (MRR)
data; 2) satellite and radar precipitation fields, cloud-type
classification, and cloud and rain cell life cycles; 3) the electric fields and
lightning associated …
Cited by 54 Related articles All 12 versions
【プロジェクトの説明】
N Küchler, S Kneifel, U
Löhnert… - … of Atmospheric and …, 2017 - journals.ametsoc.org
… 2013) or for
investigating processes with strong vertical gradients
(eg, melting layer).
The
increased time on target, because of continuous transmission, provides similar
average output
powers as pulsed systems and leads to comparable sensitivities …
Related articles All 3 versions
【ブライトバンドの検出】
T Iguchi, T Matsui, WK Tao, AP Khain… - Journal of Applied …,
2014 - journals.ametsoc.org
… WRF–SBM Simulations
of Melting-Layer Structure
in Mixed-Phase Precipitation Events Observed
during LPVEx … The detailed ice-melting scheme with prognosis of the
liquid water fraction during
melting enables explicit simulation of microphysical
properties in the melting layer …
Cited by 6 Related articles All 7 versions
【WRFビンモデルによる混合雲の検証；MRRは粒径スペクトル検出】
A Maitra, A Adhikari, T Sarkar… - General Assembly and …,
2014 - ieeexplore.ieee.org
… For the study of the
vertical rain structure, a Micro Rain Radar (MRR),
a vertically pointing
FM-CW radar at 24.1 GHz, has been operated at the same site. The
vertical profile of rain rate
and radar reflectivity can indicate the presence
of melting layer with
bright band signatures …
Related articles All 6 versions
【融解層の減衰効果】
M Schleiss, J Smith - Journal of Hydrometeorology,
2015 - journals.ametsoc.org
… Next section. A
geostatistical method to quantify the small-scale 3D–time structure
of the drop size distribution (DSD) from the ground level up
to the melting layer using
radar and disdrometer data is presented …
Cited by 4 Related articles All 6 versions
【融解層より下の粒径分布変化】
HWS Berg, RE Stewart, PI
Joe - Atmospheric Research, 2017 - Elsevier
… Data from a
vertically-pointing Micro Rain Radar (MRR)
at West Vancouver were obtained
between January 22 and April 29 to examine the vertical structure of
precipitating systems (Joe
et al., 2014) … In addition, the melting layer is
evident in these figures, for example in Fig …
Related articles All 2 versions
【融解層を含む降水の鉛直分布の特徴】
S Das, A Maitra - … and Scientific
Symposium (URSI GASS), 2014 …, 2014 - ieeexplore.ieee.org
… The bias in vertical
profile of reflectivity arises due to the assumptions
of constant reflectivity up
to melting layer from
surface … In this paper, observations of vertical rain structure obtained
using
vertical looking Ka band radar (Micro Rain Radar -MRR)
at Ahmedabad (23°04', 73°38 …
Related articles All 6 versions
【融解層より下の降水分布と減衰量】
T Iguchi, T Matsui - Remote Sensing of
Clouds and Precipitation, 2018 - Springer
… CFTDs of the
water equivalent radar reflectivity factor (dBZ) derived from the micro rain radar
measurements at the Jarvenpaa site coupled with the vertical temperature …
WRF-SBM simulations
of melting-layer structure
in mixed-phase precipitation events observed during LPVEx …
【63と同内容。WRF-SBM（スペクトルビンモデル；降雪種は6個）】
M Konwar, SK Das, SM Deshpande… - Journal
of …, 2014 - Wiley Online Library
… One Micro Rain Radar (MRR)
and OTT PARSIVEL disdrometer (PD) is located at IITM-. The X
band radar was operated in 2012 during the monsoon season.
The HACPL is located at
Mahabaleshwar (17.92°N, 73.66°E, above sea level 1.39 km) established in
2012 …
Cited by 17 Related articles All 5 versions
【MRRとPSV2の同時観測】
R Misumi, H Motoyoshi, S
Yamaguchi… - Journal of Applied …, 2014 - journals.ametsoc.org
… When snowflakes fall
through a melting layer,
high radar reflectivity occurs and a bright band
can be observed … A vertical-pointing K-band radar [Meteorologische
Messtechnik GmbH (METEK)
Micro Rain Radar]
was also used to obtain vertical profiles of radar reflectivity at 50-m …
Cited by 6 Related articles All 11 versions
【融雪計による観測】
1Cloud and rain
liquid water statistics in the CHUVA campaign
AJP
Calheiros, LAT Machado - Atmospheric research, 2014 - Elsevier
… LWC R )
profiles were determined using the vertical profiles of reflectivity (VPR) of
the two radar
systems, Micro Rain Radar (MRR, Peters et al …
analyses, one for non-precipitating events and
another for clouds with rain, describing the cloud characteristics below
the melting layer …
Cited
by 10 Related
articles All
12 versions
【×融解層以下の降水量観測観測】
2Characteristics
of summer and winter precipitation over northern China
G Wen, H Xiao, H Yang, Y Bi, W Xu -
Atmospheric Research, 2017 - Elsevier
… data.
Abstract. In this paper, the statistical properties of summer and winter
precipitation over the northern China plain are investigated by using a
two-dimensional video disdrometer (2DVD) and a micro-rain radar (MRR). The …
Related
articles All
2 versions
【×降水特性の統計値】
3Observation of a
freezing drizzle episode: A case study
S Fernández-González,
F Valero, JL Sanchez… - Atmospheric …, 2014 - Elsevier
…
nuclei. Keywords. Freezing drizzle. Cloud chamber. Radiometer. Micro Rain Radar-2.
MSG. 1. Introduction … 2007). 3.3. Micro Rain Radar (MRR-2). The MRR-2
operates with
electromagnetic radiation at K-band, with frequency 24.230 GHz …
Cited
by 12 Related
articles All
5 versions
【◆】凍雨の発生について
SK Das, SM Deshpande, SS Das, M Konwar… - Journal of
Atmospheric …, 2015 - Elsevier
…
Observations from a vertically pointing Micro Rain Radar (MRR) and cloud profiling
radar (CPR)
onboard CloudSat suggested occurrence of both shallow … Zawadzki (1995) by
using the X-band
radar observations studied the profiles of reflectivity factors near the melting layer …
Cited
by 3 Related
articles All
5 versions
【△熱帯の雲降水過程について】
5Observation of
bright-band height data from TRMM-PR for satellite communication in South
Africa
EO
Olurotimi, O Sokoya, JS Ojo, PA Owolawi - Journal of
Atmospheric and …, 2017 - Elsevier
…
overall poor quality of service (QoS). Often time, rain height information is
obtained
indirectly from the melting layer zone of the atmosphere (Das and Maitra, 2011;
Yussuff
and Khamis, 2013). Since direct rain height data measurement …
Related
articles All
2 versions
【×衛星通信のためのTRMM-PRによる0℃高度の推定】
6Observational
study on melting layer characteristics over Palau in Pacific
Ocean
UVM Krishna, KK Reddy, R Mastanaiah… -
Journal of Atmospheric …, 2014 - Elsevier
…
However, modeling of melting layer/bright band either obtains correct reflectivity
enhancement
or overestimate the intensity … JAMSTEC installed ground based sensors viz.,
a Lower Atmospheric
Wind Profiler (LAWP), Micro Rain Radar, Ceilometer, Microwave Radiometer, Joss …
Cited
by 3 Related
articles All
4 versions
【×パラオでのTRMM-PRによる0℃高度の推定】エルニーニョ時の融解倉庫度変化の特徴。
7[PDF] Dual-polarization
radar particle classification results during the Sochi Olympic Games
J Reid,
D Hudak, S Boodoo, N Donaldson… - ERAD 2014, the …, 2014 -
researchgate.net
… In the
future, particle type validation can be furthered by examining vertically
profiling
Micro Rain Radar (MRR) data from 2
Sochi-area sites. Melting layer information and
fall speeds from the MRR may help discern particle type …
Cited
by 3 Related
articles All
4 versions
【×Cバンドレーダによる粒子判別】particle classification algorithm (PCA) MRRは検証に利用。
8Role of a
Cross-Barrier Jet and Turbulence on Winter Orographic Snowfall
J
Aikins, K Friedrich, B Geerts… - Monthly
Weather …, 2016 - journals.ametsoc.org
… A
suite of high-resolution radars, including a ground-based scanning X-band
dual-polarization
Doppler on Wheels radar, vertically pointing Ka-band Micro Rain Radar (MRR), and airborne
W-band Wyoming Cloud Radar (WCR), and additional in situ and remote
sensing …
Cited
by 1 Related
articles All
5 versions
【△地形による気流の収束の影響調査】MRRは雲が発生している上空を調べた。
9A shallow
cumuliform snowfall census using spaceborne radar
MS Kulie, L Milani, NB Wood… - Journal
of …, 2016 - journals.ametsoc.org
… This
assumed melting layer depth enables
snowfall retrievals to be made for surface temperatures
up to ~1.5°C. The 2C-SNOW-PROFILE optimal estimation scheme is constrained by a
priori snow
microphysical properties (eg, observed mass–size relationships and
particle …
Cited
by 9 Related
articles All
4 versions
【△雲観測衛星による降水雲の評価】CloudSatのアルゴリズムを用いた雲タイプと降雪域の全球的評価。薄い降雪雲である、層積雲または乱層雲からの降水が降雪の36％、59％を占める。
M Maahn, C Burgard, S Crewell… - Journal
of …, 2014 - Wiley Online Library
… In
this study, the impact of the blind zone of CloudSat on derived snowfall
statistics in polar regions
is investigated by analyzing three 12 month data sets recorded by ground-based Micro Rain
Radar (MRR) at the Belgian
Princess Elisabeth station in East Antarctica and at Ny …
Cited
by 11 Related
articles All
4 versions
【×MRRの観測を用いてCloudSatの観測不能域を軽減する】Svalbard, Norway
TH Raupach, A Berne - Journal of Applied Meteorology
and …, 2017 - journals.ametsoc.org
Cited
by 1 Related
articles All
4 versions
【△層状性⇔対流性の変化における2次モーメント粒径分布の保存性】雲のタイプが変化する際に2次モーメント（粒径、個数）粒径分布が3次元空間分布で評価して不変であることの解析。MRRはDSDの高度変化を調査。
F
Mercier, A Chazottes… - Atmospheric …, 2016 -
hal-insu.archives-ouvertes.fr
… Then,
we present the characteris- tics of the case study examined. 3.1 Micro-rain radar (MRR)
The first instrument used in this study is a micro-rain radar (MRR, Peters et al.,
2005), developed
by METEK GmbH, Germany, and belonging to Météo France …
Related
articles All
11 versions
【×弱い層状性の降雨に限定して４DVを検証した】複数事例を抽出する際、2~7mm/hの降雨と粒径分布のデータセットを作るためにMRRを利用。
G Chen,
K Zhao, G Zhang, H Huang… - Journal of …,
2017 - journals.ametsoc.org
… We specifically
chose data from all vertically pointing data below the melting layer
in light rain to calculate the Z DR biases for Z DR calibration in every IOP.
The Z DR
biases vary between 0.3 and 0.5 dB throughout the OPACC …
Related
articles All
3 versions
【△DSD調査によるQPEの向上】台風や前線に比べてスコールラインの変動が大きい。スコールラインでは前2者に比べて大粒子が存在し、大粒子の数密度の変動によってQPEの精度が変動する。
F
Mercier, A Chazottes, L Barthès… - Atmospheric …, 2015 -
search.ebscohost.com
Page 1.
AMTD 8, 12383–12431, 2015 Vertical variability of DSD F. Mercier et al. Title
Page …
Related
articles All
2 versions
【×上昇流を考慮しDSDの推定を向上】粒子の併合、水平移動は無視。弱い雨に限定。MRRは事例選択に利用。
I
Rahayu, M Marzuki, H Hashiguchi… - Jurnal Fisika …,
2016 - jfu.fmipa.unand.ac.id
… Untuk
mengatasi kekurangan radar pulsa, telah dikembangkan radar dengan gelombang
kontinyu seperti Micro Rain Radar (MRR) (Peters dkk., 2002) … Lapisan ini
disebut melting
layer dimana partikel es mulai
mencair menjadi butiran hujan …
Related
articles All
2 versions
【】
M Arulraj, AP Barros - Journal of Atmospheric and
Oceanic …, 2017 - journals.ametsoc.org
… The
IPHEx IOP was conducted between 1 May 2014 and 15 June 2014 over the
southeastern
United States with collocated instruments installed at MV (35.5198°N,
83.0947°W), including
a scanning W-band dual-polarization radar, a Micro Rain Radar (MRR), an all-sky
imager …
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【×】薄い暖かい雲【NonBrightBandRain】はリモートセンシング誤差となる。多波長の観測によりアルゴリズムの改善を図った。
J
Jayalakshmi, KK Reddy - Current Science, 2014 - JSTOR
…
Raindrop size distributions (RSD) of southwest (SW - June to September) and
northeast (NE -
October to December) monsoon heavy precipitation are measured with PARticle
Size and
VELocity (PARSIVEL) dis drometer and Micro Rain Radar (MRR) deployed at Kadapa
(14.47 …
【×】南西モンスーン【夏】、北東モンスーン【冬】の粒径分布を調べた。南西モンスーンでは小粒径が少なかった。
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8[PDF] NASA GPM-Ground
Validation: Integrated Precipitation and Hydrology Experiment 2014 Science
Plan.
A Barros, W Petersen, M Schwaller, R Cifelli…
- 2014 - dukespace.lib.duke.edu
… In the
rain, vertical profiles of drop size distributions from the melting layer down to the ground
surface as well as robust estimates of path-integrated-attenuation at high
spatial resolution that
can be used for the parameterization of microphysical processes will provide a
critical …
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3 versions
【×】GMP検証の計画書。MRRは仕様の説明のみ。
BK
Seela, J Janapati, PL Lin, KK Reddy… - Journal of …, 2017 -
Wiley Online Library
By
continuing to browse this site you agree to us using cookies as described
in About Cookies. Remove maintenance message …
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【×】パラオと台湾での粒径分布比較。台湾ではパラオより中大粒子が多い。
JL
Endries - 2017 - libres.uncg.edu
…
southern Peru and Bolivia. A vertically pointing 24.1 GHz Micro Rain Radar in Cusco, Peru …
These data enabled the determination of precipitation timing and melting layer heights and
the identification of convective and stratiform precipitation features …
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3 versions
【×】MRRを融解層高度の判定に利用し降水の開始を判断。
1Precipitation
microstructure in different Madden–Julian Oscillation phases over Sumatra
H Hashiguchi, T Kozu, T Shimomai, Y
Shibagaki… - Atmospheric …, 2016 - Elsevier
… The
characteristics and performance of the EAR were provided in detail by Fukao et
al. (2003).
The vertical profile of DSD was observed by using 24 GHz micro-rain radar (MRR) data.
Simultaneous observation of MRR and 2DVD were not available …
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【△マッデンンジュリアン期における粒径分布の変化】活性期は深い対流が多く非活性期は弱い対流が多い。非活性期では中・大粒子の数濃度が多い。このため同じ降水強度でもZが大きくなる。
2 [BOOK] Chilean coastl
orographic precipitation experiment: A tale of two rain regimes
AK Massmann
- 2016 - search.proquest.com
… 24.
correct classications is minimized. Incorrect classications are dened as
half-hour
periods in which the MRR either falsely detects a melting layer or fails to detect a melting
layer … 210m and 35% of proles
required to identify a melting layer …
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2 versions
【×本の冒頭部分に】地形性降雨を解析するための集中観測の説明。降水の鉛直分布を観測するためにMRRを利用
3Overview of the
first HyMeX Special Observation Period over Italy: observations and model
results
R
Ferretti, E Pichelli, S Gentile, I Maiello… -
… and Earth System …, 2014 - search.proquest.com
… These
include an X-band polarimetric mini-radar, a K-band micro- rain radar and several
disdrometers of three kinds, namely, a 2-D video disdrometer, PLUDIX, and laser
Parsivel-2
disdrometers (see Table 1). The LT hydro-meteorological site is located at the
east- ern …
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14 versions
【×洪水のような大雨をもたらす雲についての広域観測についてモデルと観測の比較】
4Weather
observations on Whistler Mountain during five storms
2014 -
Springer JM Thériault, KL Rasmussen, T Fisico… - Pure and
Applied …,
…
A micro rain radar (MRR) was also available
to detect precipitation
type and
reflectivity … 13c). Finally,
the temperature profiles measured on 10 March differed slightly and suggest the
presence of
a melting layer at lower elevations (Fig. 14a,
c). Open image in new window. Fig. 13 …
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13 versions
【○複雑地形下の降水形成過程】総観場の異なる5例を解析。0度以下にもかかわらず雨から雪への遷移は2例しか観測できなかった。
I Cyr -
2014 - brage.bibsys.no
… The
main objective of this study is to estimate storm type and precipitation phase dependent ZR
parameters from optical disdrometer (OTT Parsivel) and Micro Rain Radar (MRR) measurements
which can be used to convert Z values extrapolated from C-band radar …
Cited
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3 versions
【△地上雨量計、PSV2とMRRの比較、雨、雪、混合雲が対象】混合雲については、積算すると地上雨量計とPSV2が一致する。
TH
Raupach, A Berne - Atmospheric Measurement …,
2017 - search.proquest.com
… Also
used. were data from a METEK GmbH micro rain radar (MRR. Peters et al., 2002,
2005;
Tridon et al., 2011) within the net … Peters, G., Fischer, B., and
Andersson, T.: Rain observations
with. a vertically looking Micro Rain Radar (MRR), Boreal Environ.
Res., 7, 353–362, 2002 …
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7 versions
【×2次モーメントの粒径分布の普遍性を用いた新たな粒径分布の推定法を提案】81と同じ著者。
7RAdar
multi-sensor (RAMS) quantitative precipitation estimation (QPE)
DD Willie
- 2015 - dspace.library.colostate.edu
… 146
Figure 8.15 Micro Rain Radar … Designed to cover the
entire continental US •Radar reflectivity requires much clutter filtering •
Scans above the melting layer require reflectivity correction • Developed to work
with NEXRAD …
【×Willie氏のD論】複数のレーダを用いて遮蔽域の精度を高める。
8Quantifying uncertainty in radar
rainfall estimates using an X-band dual polarisation weather radar
DRL Dufton - 2016 -
etheses.whiterose.ac.uk
… MAPD Mean
absolute percentage difference Md median MPD Mean percentage difference MRR
micro rain radar NCAS National Centre for
Atmospheric Science NCP normalised coherent power
NERC Natural Environment Research Council PPI plan position indicator
xxi …
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3 versions
【×減衰や遮蔽に対する新たな補正法の提案】二偏波を利用。
I Hung -
2016 - mspace.lib.umanitoba.ca
Page 1.
Characteristics and Formation of Precipitation over the Kananaskis Emergency
Site during
March and April 2015 by Ida Hung A Thesis submitted to the Faculty of Graduate
Studies of The
University of Manitoba in partial fulfilment of the requirements of the degree
of …
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2 versions
【△山脈風下での降水粒子の分類】ロッキー山脈。画像解析。低温型雪結晶もあり。MRRは使っていない（P119）
On Winter Precipitation at Cypress
Mountain, British Columbia, during SNOW-V10
HWS Berg
- 2015 - mspace.lib.umanitoba.ca
…
Specialized radar showed changes in reflectivity values with height, yielded
information regarding melting layer heights, and detected upward motion of
precipitation particles … 3.1.6 Micro Rain Radar ……………23 …
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2 versions
【△山地部での降雪観測】降雪事例の紹介。NOW-V10は42,66でも実施の計画。
1구름씨뿌리기에 의한 구름 및 강수의 미세물리변화 분석
양하영， 채상희， 고아름， 최지원， 이정호… - 한국기상학회 학술대회 …, 2016 - dbpia.co.kr
… J.
Appl. Meteor., 27, 1166-1182. Cha. J. W., SS Yum, K. H. Chang and S. N. Oh,
2007: Estimation
of the melting layer from a Micro Rain Radar (MRR) data at the Cloud
Physics Observation System
(CPOS) site at Daegwallyeong weather station. J. Korean Fig …
【】
2산악 지형에서의 지상기반 빙정핵 시딩효과 검증을 위한 MRR 및 PARSIVEL 우적계의 관측사례 분석
양하영， 정진임， 서성규， 장기호… - 한국기상학회 학술대회 …, 2015 -
dev02.dbpia.co.kr
… 5. 참고문헌 Cha, JW, SS Yum, KH Chang, and
SN Oh, 2007: Estimation of the melting layer
from a Micro Rain Radar (MRR) data at the Cloud Physics
Observation System (CPOS) site
at Daegwallyeong Weather Station. J. Korean Meteoro. Soc., 43, 77-85 …
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2 versions
【】
SA
Syafira, D Syaifullah… - Jurnal Sains & Teknologi …, 2016 -
ejurnal.bppt.go.id
… Dalam
proses pengujian tersebut MRR juga memperlihatkan ketinggian lapisan “melting layer”
dan perubahannya, yang digunakan sebagai … Pada lokasi inilah dioperasikan
seperangkat
instrumen Micro Rain Radar (MRR) sebagai penghasil data
utama dalam penelitian pada …
【×】ボルグ域の日降水量はほぼ対流性の降水によるものであった。
4Detection of the bright band with a vertically
pointing k-bandradar
T Pfaff,
A Engelbrecht, J Seidel - 2014 - elib.uni-stuttgart.de
…
investigate three different methods to identify the bright band from profiles
measured by a vertically
pointing K- Band Micro Rain Radar (MRR … BATTAN (1973) states several processes
during the
pas- sage of the hydrometeors through the melting layer (ie around and below the
0 …
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【△】3種の融解層（ブライトバンド）判定手法を調べた。適用関数を用いるもの、Zのみの手法、Wを加味する手法。ドイツ語。
5Étude de la ligne pluie-neige dans la
vallée de Kananaskis, Alberta
É
Poirier - 2017 - archipel.uqam.ca
… 22 1.5
R-ficctivity measurcd by the Micro Rain Radar at th KES site n 31 Mar h
2015 … Mesas
ale Alpine Pr gram Monte Carlo Indcpendcnt Column Approximati n Madel run
without cooling
due to melting Micro Rain Radar akiska ski arca North Amcrican Regional
Reanalysis …
【接続不可】
SE LeBlanc, P Pilewskie, KS Schmidt… -
Atmospheric …, 2015 - atmos-meas-tech.net
… ra-
diation and precipitation. The instruments that provided data for this study
are
the pyranometer, pyrgeometer, ceilometer, micro rain radar (MRR), sky webcam, and
spectral sunpho- tometer. The pyranometer and pyrgeometer …
Cited
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11 versions
【×雲の光学的厚さと有効粒径の算定法の提案】
R Honeyager - 2017 - search.proquest.com
The
Impact of Microstructure on an Accurate Snow Scattering Parameterization at
Microwave Wavelengths. Abstract. High frequency microwave instruments are
increasingly used to observe ice clouds and snow. These instruments …
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3 versions
【×形状が異なる雪粒子についての高周波数のマイクロ波に対する散乱計算方法】劉さんが審査。
SE LeBlanc, P Pilewskie, KS Schmidt… -
Meas. Tech …, 2014 - researchgate.net
… The
instruments that pro- 15 vided data for this study were: pyranometer,
pyrgeometer, ceilometer,
micro rain radar (MRR), sky webcam, and a
spectral … On 6 August 2012, MRR measurements
of backscatter indicated the presence of a melting layer that was also present 1
h …
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5 versions
【96と同じ著者。】リトリーバルによる光学的厚さなどの推定
C
Palerme - 2014 - hal.archives-ouvertes.fr
Page 1.
´Etude des précipitations en Antarctique par télédétection radar, mesures
in-situ, et intercomparaison de mod`eles de climat Cyril Palerme To cite this
version:
Cyril Palerme. Étude des précipitations en Antarctique par …
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8 versions
【】
10[HTML] Spectral
signatures in shortwave radiation measurements to derive cloud and aerosol
properties
SE LeBlanc - 2014 - search.proquest.com
Spectral
signatures in shortwave radiation measurements to derive cloud and aerosol
properties.
Abstract. The amplitude and spectral shape of shortwave radiation are used to
retrieve aerosol
and cloud properties from airborne and ground based measurements …
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4 versions
【96,98の著者によるD論】雲とエアロゾルの放射特性の再現に関する研究。