Site / Equipment Specification
Now (From 2002) this site is under the control of KOFLUX (Korean Flux network) project and the site description is well written in their site at : http://koflux.org/site/egat/site_info.htm
Descripition of equipment used in experiments by Dr. Ohte and Dr. Toda during 1998 and 1999 are well described at Toda et al.(2002)
Metadata
Data Type |
Description | 10Hz Flux at EGAT Tower |
Type | Field Observation Data |
Period Type | - |
Holding | International Data Resource |
Process Level | Level 2 (Station Data) |
QC Level | QC 2 |
Access Limitation | For any research purpose |
Contents |
- Wind direction and speed
- ultrasonic : u, v, w, t
- CO2, H2O
|
Spatial Range |
Point/Points/Grid | Point |
Location/Extent | EGAT Tower Site (about 99'25'47.5''E, 16'56'23.5''N ). Height=30m above ground |
Temporal Range |
Period | From Feb. 23, 1999
to Mar. 04, 1999 |
Interval | 0.1sec |
LT / UTC | ??? |
Time Difference (LT - UTC) | +0700 |
Boundary | - |
Contact Person (See the list of contact persons for detail) |
Dr. Toda, M. |
Notes |
- Files for '02240415' and '02262230' are misssing or destroyed
|
XML Metadata File
Document
File Name Specification
Each file has name in the form of mmddhhmm.daa . mmdd means month and date, and hhmm indicates hour and minute. Each file contains 15-min of 10Hz flux data (number is 6001).
Contents of each record
Each line of files has 10 values. The meaning is ...
Column No. |
Name |
Meaning |
Remark |
|
1 |
i |
Data Number |
|
2 |
wdtype |
Wind Direction Type |
1: 0 < wd <= 90, 2: 90 < wd <= 180,
3: 180 < wd <= 270, 4: 270 < wd <= 360
|
3 to 6 |
u, v, w, t |
Ultrasonic components |
Sensor Name : Model : DA-600, Probe Model = TR-90AH, Kaijo Corp. |
7 |
CO2 |
CO2 content |
Unit is PPM. Model = LI6262, LICOR Co. Method : Closed Path |
8 |
H2O |
H2O content |
Unit is hPa. Same equipments as in Column 7 |
9 |
wd |
Mean wind direction |
degree |
10 |
AVU |
Mean wind speed |
|
Data Archive
Comprehensive Compressed File
Compressed file : 1999_feb_daa_files.zip. Note : the file size is about 100MB!!
Each compressed file is about 50KB to 130KB .
Date/Time |
Compressed File |
Other Information
[EGAT]
-
Electricity Generating Authority of Thailand
- The Official WWW site of EGAT
-
KoFlux Site Information of EGAT Tower
- From 2002, KoFlux (Korea Flux Network) members will maintain EGAT-Tower site. This is the site information document in their official Web Page.
-
Photo of EGAT Tower
-
From GAME-AAN project WWW resource.
[Overall]
-
Data Policy of Whole GAME
-
From GAIN-HUB WWW Site. Strategy, guideline for data exchange etc.
-
Data Collection Plan
-
From The Implementation Plan of GAME-Tropics
draft in 1996, by Japanese sub-comittee on GAME-T.
-
GAME-T Observations at a glance
-
A 32KB GIF image showing observation schedule by Prof. Oki
-
GAME-T/Thailand/Chao Phraya Observing Stations
-
A 24KB GIF image showing a map of observation stations made by Prof. Oki (See also new black-and-white version).
-
Summary of GAME-T Data Plan
-
From AMON(Asian Meteorology Online Newsletter), VOL. 1, NO. 4 (September 1997). Brief introduction of GAME-T data management strategy by Prof. Oki
Update Log
- 2002 Jan. 30
- New data : 1999 Feb-Mar 10Hz.
|