GAME-T2 DataCenter : High-resolution EGAT flux observation

EGAT 10Hz Flux Observation (1999 Feb.-Mar.)

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GAME-T2 >> DataCenter >> Field Obs. >> EGAT Tower Flux >> Precise  >> 1999 Feb.-Mar. (Current Position)

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 : outside of GAME-T WWW Site

Descripition of equipment used in experiments by Dr. Ohte and Dr. Toda during 1998 and 1999 are well described at Toda et al.(2002)


Data Type Description10Hz Flux at EGAT Tower
Type Field Observation Data
Period Type-
HoldingInternational Data Resource
Process LevelLevel 2 (Station Data)
QC LevelQC 2
Access LimitationFor any research purpose
  1. Wind direction and speed
  2. ultrasonic : u, v, w, t
  3. CO2, H2O
Spatial Range Point/Points/GridPoint
Location/ExtentEGAT 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
LT / UTC???
Time Difference (LT - UTC)+0700
Contact Person
(See the list of contact persons for detail)
Dr. Toda, M.
  • Files for '02240415' and '02262230' are misssing or destroyed

XML Metadata File


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 : Note : the file size is about 100MB!!

Each compressed file is about 50KB to 130KB .

Date/Time Compressed File

Other Information


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.


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.

outside of GAME-T site=URL outside of this site | Data is protected by password=Data is protected (fully or partly) by password when accessed by on-line.

***** On-line resources at IIS, Univ. of Tokyo, Japan *****
GAME-T Data Center | GAME-T | Musiake and Oki Lab.(GAME-T headquarters), IIS, Univ. of Tokyo, Japanoutside of GAME-T site

***** On-line resources at NRCT, Bangkok, Thailand *****
GAME-T Data Center | GAME-T | NRCT Homepage outside of GAME-T site
This server was established in July 2002, on the courtesy of NRCT foreign affair division, and is being maintained by computer technology staffs in NRCT.

Dataset Manager : Dr. AGATA, Yasushi, JAMSTEC, Japan (

Date of Last Modification : Jul 10, 2008