========================================================== CAMP North-East Thailand AWS (Automatic Weather Station) Dataset Documentation ---------------------------------------------------------- 1.TITLE CAMPNorth-East Thailand / AWS data 2. INVESTIGATOR(S) 2.1 Investigator(s) Name And Title Masatoshi AOKI (Tokyo University of Agriculture and Technology) 2.2. Title of Investigation. CEOP(Coordinated Enhanced Observing Period)/ CAMP(CEOP related Asian Monsoon Experiment)- North-East Thailand 2.3 Contacts (For Data Production Information) =============================================================================== 2.3.1 Name | Masatoshi AOKI --------------+------------------------------------------------------------ 2.3.2 Address | Tokyo University of Agriculture and Technology | 3-8-1 Harumi-cho Fucuu-city Tokyo, Japan, 183-8538 --------------+------------------------------------------------------------ 2.3.3 Tel.No. | +81-42-367-5727 --------------+------------------------------------------------------------ 2.3.4 Fax.No. | +81-42-367-6078 --------------+------------------------------------------------------------ 2.3.5 E-mail. | aoki.mas@cc.tuat.ac.jp ============================================================================== 3. OBJECTIVE/PURPOSE CAMP-AWS observation was conducted to clarify the diurnal to the seasonal variation of surface heat/water balance at North-East Thailand during CAMP-North-East Thailand observation period. 4. EQUIPMENT 4.1 Platform Ground 4.2 Calibration. Once a year 5. THEORY OF MEASUREMENTS 6. STATION AND DATA INFORMATION ----------------------------------------------------------------------------------------------------- 6.1 | 6.2 | 6.3 | 6.4 | 6.5 | 6.6 | 6.7 Station name | Lat. | Long. | Alt. | Temporal Coverage | Temporal | Data File | (deg.) | (deg.) | (m) | | Resolution | name -----------------+--------+----------+------+-------------------------+------------+----------------- Nakhornrachasima | 14.466 | 102.379 | 311 | 01 Jul. - 30 Sep. 2001 | 1 hour | nakhorn_JtoS.DAT ----------------------------------------------------------------------------------------------------- 6.8 Spatial Coverage Point mesurement 6.9 Spatial Resolution N/A 7. DATA DESCRIPTION 7.1. Type of Data. ========================================================================================= 7.1.1 7.1.2 7.1.3 7.1.4 Parameter/Variable Range Units Source Name Description ----------------------------------------------------------------------------------------- Downward&Upward shortwave radiation 0-1500 Wm-2 ----------------------------------------------------------------------------------------- Downward&Upward longtwave radiation 0-700 Wm-2 ----------------------------------------------------------------------------------------- Heat flow into ground 1-1000 Wm-2 ----------------------------------------------------------------------------------------- Surface temperature -50 to 50 DegreeC ----------------------------------------------------------------------------------------- Wind direction 0 to 360 Degree ----------------------------------------------------------------------------------------- Wind velocity 2-60 ms-1 ----------------------------------------------------------------------------------------- Air temperature -50 to 50 DegreeC ----------------------------------------------------------------------------------------- Relative humidity 0-100 % ----------------------------------------------------------------------------------------- Precipitation mm ----------------------------------------------------------------------------------------- Soil temperature -50 to 50 DegreeC ----------------------------------------------------------------------------------------- Soil moisture content 0-70 % ----------------------------------------------------------------------------------------- Barometric pressure 500-1100 hPa ========================================================================================= 7.2. Missing Value Identify "-99999" 7.3. Time Stamp UTC:(Coordinated Universal Time) 7.4. Sample Database Data Record. 262,2001,137,0,1.689,166.6,1.7,167.6,2.564,.586,.598,.068,.064,.044,.003,.023,.006,23.54,23.57,.051,94.5,38.74,95.4,95.1,25.34,27.05,29.17,29.86,30.32,29.14,-.00382,-.00433,-99999,-99999,-.04425,.43956,.44014,-.04077,.4399,.44063,-.01325,.44115,.4419,-.01294,.44118,.44198,-.47717,-.48635,-.43898,-.44938,23.266,.43774,.43807,32.37,26.73,975.5,0,0,0,0,0,0 7.5. Data Format. 1st column: Location ID 2nd column: YEAR 3rd column: DAY(Julian Day) 4th column: HOUR_MINUTE 5th column: 10 minute vector averaged wind speed (average of 50:05 - 60:00, 120 data) unit: m/s 6th column: 10 minute averaged wind direction (average of 50:05 - 60:00, 120 data) unit: deg 7th column: 60 minute average vector velocity [from 00:05 to 60:00] (m/s) 8th column: 60 minute averaged wind direction (average of 00:05 - 60:00, 720 data) unit: deg 9th column: maximum wind speed (maximum of 00:05 - 60:00, 720 data ) unit: m/s 10th column: 10 minute scaler averaged wind speed (average of 50:05 - 60:00, 120 data) unit: m/s 11th column: 60 minute averaged wind speed (average of 00:05 - 60:00, 720 data) unit: m/s 12th column: 10 minute averaged wind speed (average of 00:05 - 10:00, 120 data) unit: m/s 13th column: 10 minute averaged wind speed (average of 10:05 - 20:00, 120 data) unit: m/s 14th column: 10 minute averaged wind speed (average of 20:05 - 30:00, 120 data) unit: m/s 15th column: 10 minute averaged wind speed (average of 30:05 - 40:00, 120 data) unit: m/s 16th column: 10 minute averaged wind speed (average of 40:05 - 50:00, 120 data) unit: m/s 17th column: 10 minute averaged wind speed (average of 50:05 - 60:00, 120 data)unit: m/s 18th column: 10 minute averaged air temperature at 9.5 m (average of 50:05 - 60:00,120 data)unit: degC 19th column: 10 minute averaged air temperature at adjustable height (usually 50 cm above the vegetation canopy) (average of 50:05 - 60:00,120 data)unit: degC 20th column: 10 minute average of temperature difference (T1-T2)(average of 50:05 - 60:00, 120 data)unit: degC 21th column: 10 minute average of relative humidity at 9.5 m (average of 50:05 - 60:00, 120 data) unit: % 22th column: 10 minute average of relative humidity (temporary data to calibrate sensor of column 21) (average of 50:05 - 60:00, 120 data) unit: % 23th column: 10 minute average of relative humidity at adjustable height (usually 50 cm above the vegetation canopy) (average of 50:05 - 60:00, 120 data) unit: % 24th column: 10 minute average of relative humidity (temporary data to calibrate sensor of column 23) (average of 50:05 - 60:00, 120 data) unit: % 25th column: 10 minute averaged soil temperature at 6 cm (average of 50:05 - 60:00, 120 data) unit: degC 26th column: 10 minute averaged soil temperature at 10 cm (average of 50:05 - 60:00, 120 data) unit: degC 27th column: 10 minute averaged soil temperature at 15 cm (average of 50:05 - 60:00, 120 data) unit: degC 28th column: 10 minute averaged soil temperature at 20 cm (average of 50:05 - 60:00, 120 data) unit: degC 29th column: 10 minute averaged soil temperature at 30 cm (average of 50:05 - 60:00, 120 data) unit: degC 30th column: 10 minute averaged soil temperature at 50 cm (average of 50:05 - 60:00, 120 data) unit: degC 31th column: 10 minute averaged voltage of thermopile (downward shortwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get downward shortwave radiation value (Sd (W/m2)) through the formula of Sd(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.00001285. 32th column: 60 minute averaged voltage of thermopile (downward shortwave radiation) (average of 00:05 - 60:00, 720 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get downward shortwave radiation value (Sd (W/m2)) through the formula of Sd(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.00001285. 33th column: 10 minute averaged voltage of thermopile (upward shortwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get upward shortwave radiation value (Su (W/m2)) through the formula of Su(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.00001221. 34th column: 60 minute averaged voltage of thermopile (upward shortwave radiation) (average of 00:05 - 60:00, 720 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get upward shortwave radiation value (Su (W/m2)) through the formula of Su(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.00001221. 35th column: 10 minute averaged voltage of thermopile (downward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC 36th column: 10 minute averaged value generated black body radiation (internal temperateure of downward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: kW/m^2 37th column: 10 minute averaged value generaged black body radiation (dome temperateure of downward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: kW/m^2 Utilize the values of 35th, 36th, and 37th columns and two constant value of instruments to get downward longwave radiation [Ld(W/m2)]. Constant values and formula not yet available. 38th column: 60 minute averaged voltage of thermopile (downward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC 39th column: 60 minute averaged value generaged black body radiation (internal temperateure of downward longwave radiation) (average of 00:05 - 60:00, 720 data) unit: kW/m^2 40th column: 60 minute averaged value generaged black body radiation (dome temperateure of downward longwave radiation) (average of 00:05 - 60:00, 720 data) unit: kW/m^2 Utilize the values of 38th, 39th, and 40th columns and two constant value of instruments to get downward longwave radiation [Ld(W/m2)]. Constant values and formula not yet available. 41th column: 10 minute averaged voltage of thermopile (upward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC 42th column: 10 minute averaged value generaged black body radiation (internal temperateure of upward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: kW/m^2 43th column: 10 minute averaged value generaged black body radiation (dome temperateure of upward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: kW/m^2 Utilize the values of 41st, 42nd, and 43rd columns and two constant value of instruments to get upward longwave radiation [Lu(W/m2)]. Constant values and formula not yet available. 44th column: 60 minute averaged voltage of thermopile (upward longwave radiation) (average of 50:05 - 60:00, 120 data) unit: mVDC 45th column: 60 minute averaged value generaged black body radiation (internal temperateure of upward longwave radiation) (average of 00:05 - 60:00, 720 data) unit: kW/m^2 46th column: 60 minute averaged value generaged black body radiation (dome temperateure of upward longwave radiation) (average of 00:05 - 60:00, 720 data) unit: kW/m^2 Utilize the values of 44th, 45th, and 46th columns and two constant value of instruments to get upward longwave radiation [Lu(W/m2)]. Constant values and formula not yet available. 47th column: Voltage of soil heat plate (10 minute average) (average of 50:05 - 60:00, 120 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get heat flow value into the ground [G (W/m2)] through the formula of G1(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.0249 mV/W/m2. 48th column: Voltage of soil heat plate (60 minute average) (average of 00:05 - 60:00, 720 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get heat flow value into the ground [G (W/m2)] through the formula of G1(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.0249 mV/W/m2. 49th column: Voltage of soil heat plate (10 minute average) (average of 50:05 - 60:00, 120 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get heat flow value into the ground [G (W/m2)] through the formula of G2(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.0211 mV/W/m2. 50th column: Voltage of soil heat plate (60 minute average) (average of 00:05 - 60:00, 720 data) unit: mVDC Utilize this value and inspection constant of instrument S(V/W/m2) to get heat flow value into the ground [G (W/m2)] through the formula of G2(W/m2) = this value(mVDC) / S(V/W/m2) where S = 0.0211 mV/W/m2. 51th column: Radiometric surface temperature (10 minute average) (average of 50:05 - 60:00, 120 data) unit: degC 52th column: Upward longwave radiation generated from 10 minute averaged radiometric surface temperature. (Average of 50:05 - 60:00, 120 data) unit:kW/m^-2 53th column: Value generated from 60 minute averaged radiative temerature to black body radiation (Average of 50:05 to 60:00, 120 data) Unit:kW/m^2 54th column: Volumetric soil moisture (TDR) at 15 cm (instantaneous data at 48:00) unit: % 55th column: Volumetric soil moisture (TDR) at 15 cm (instantaneous data at 48:00) unit: % 56th column: Atmospheric pressure (instantaneous data at 59:50) unit: hPa 57th column: Accumulated rainfall (integrated value of 00:05 - 10:00, 120 data) unit: pulse 58th column: Accumulated rainfall (integrated value of 10:05 - 20:00, 120 data) unit: pulse 59th column: Accumulated rainfall (integrated value of 20:05 - 30:00, 120 data) unit: pulse 60th column: Accumulated rainfall (integrated value of 30:05 - 40:00, 120 data) unit: pulse 61th column: Accumulated rainfall (integrated value of 40:05 - 50:00, 120 data) unit: pulse 62th column: Accumulated rainfall (integrated value of 50:05 - 60:00, 120 data) unit: pulse 8. NOTES 8.1. Known Problems With The Data. N/A 8.2. Other Relevant Information. N/A 9. GLOSSARY OF ACRONYMS N/A -----------------------------------------------------------------------------