GIS ETM ETM+ ETM+ r= 1/00 ETM+ ETM+ * .( ) GIS

Transcription

1 Vol9, No, Spring 0 Iranian Remote Sensing & 63-4 * /3/0 39/4/ SE= 0/8 RMSE=/9 r =0/ SE= 0/09 RMSE=0/9 r= /00 * Nazarirasta@yahoocom

2 Tasumi et al, Bastiaanssen et al, 998 Allen et 3 8 al, 00 ET c ET o Remote Sensing Surface Energy Balance Algorithms for Land, SEBAL 3 Mapping EvapoTranspiration with Internalized Calibration, METRIC 4 Tasumi et al Allen et al 6 Idaho Casa et al 8 Pontina Plain 9 Hong et al Bastiaanssen et al, 998 =

3 /3 /9 / " 00' 36 0" 00' 36 00" 40' 49 3" 3' 0 40 ASTER

4 / / 36 ' ' Demartonne METRIC 3 climate micro 4 Enhanced Thematic Mapper Plus SLC Scan Line Corrector 3" ' 4" '

5 = - - W/m W/m W/m W/m ENVI DN 4 R n --4- = W/m 0 W/m W/m - W/m 3 36 MODIS 380/0/3 380/0/3 380/0/30 380/03/0 380/04/8 380/0/04 380/06/ 380/0/03 380/03/9 380/0/ m The Environment for Visualizing Images georeferencing 3 radiance 4 reflectance Matlab 6 evapotranspiration 6 ET 6

6 H = Kg/m 3 8 Z = K 004J/Kg/K S/m ASCE- 00 EWRI é و ù = ê - 00ç ë cos è cos û kpa mm 0 < =0 = 998 H G ET ET ET 6-3 = NDVI K 4 l/r n -G = - + the ASCE standardized reference evapotranspiration equation 68

7 -6-4- /0 4 = é ê = = ê ë - ه ù û = = 00 3 = = - 4 = = - mm/hr ET r F j/kg --4- = ET - ET ET - ET ه ه ه method 6 method method method ET - ET ET - ET ET inst ET r = 0 instantaneous ET the reference ET fraction 00 ASCE-EWRI 69

8 é é ê - - هë = - - هê - ê - ë ه =0/ 3 mm/day mm/day ù ù û û mm/day % 4 mm/day - =0/ 00 0/ 00 mm/day mm/day mm/day mm/day -3 /9 380 /9 = SAVI Root-Mean-Square Error Normalized Root-Mean-Square Error 3 Mean Absolute Error 4 Mean Bias Error Bastiaanssen et al 004 SAVI 0

9 NRMSE /6 0/34 /39 -/34 0/88 0/9 0/8 -/68 /00 r =0/88 RMSE=/9 SE= 0/8 r= /00 RMSE=0/9 SE= 0/ / % //4 380// Trezza 380 SE mm/day r - MBE mm/day MAE mm/day NRMSE % RMSE mm/day /39 0/6 -/34 0/34 46 /9 0/8 0/88 -/68 0/9 34 /9 0/0 /00-0/0 0/4 /4 0/09 /00-0/ 0/0 0/9

10 /0/

11 /0/

12 of Reference Evapotranspiration, ASCE- EWRI, 80 Alexander Bell Drive, Reston, VA , 3 PP -3 Bastiaanssen, WGM, 998, A Remote Seneinsing Surface Energy Balance Algorithm for landformulation, Hydrology, PP Bastiaanssen, WGM, Pelgrum, H, Wang, J, Ma, JF, Moreno, GJ & Vanderwal, T, 00, A Remote Sensing Surface Energy Balance Algorithm for Land SEBAL, Validation, Journal of Hydrology, - 3, PP Casa, R, Rossi, M, Sappa, G & Trotta, A, 008, Assessing Crop Water Demand by Remote Sensing and for the Pontina Plain, Central Italy, Springer Science + Business Media BV 3, PP 68 Hong, SH, Hendrickx, J & Borchers, B, 009, Up-Scaling of SEBAL Derived Evapotranspirationmaps from Landsat 30 m to MODIS 0 m Scale, J of Hydrol, 30, PP 38 Liang, S, 004, Quantitative Remote Sensing of Land Surfaces, John Wiley & Sons Inc, Hoboken, New Jersey, USA ISBN Tasumi, M, Allen, RG & Trezza, R, 00, Operational Aspects of Satellite-Based Energy Balance Models for Irrigated Crops in the Semi-Arid US, Irrigation and Drainage Systems, 9, PP 3 36 Tasumi, M, Trezza, R, Allen, RG & Wright, JL, 003, US Validation Tests on the SEBAL Model for Evapotranspiration via Satellite, ICID Workshop on Remote Sensing of ET for large Regions, Sept Trezza, R, 006, Estimation of Evapotranspiration from Satellite-Based Surface Energy Balance Models for Water Management in the Rio Guarico Irrigation System, Venezuela, Universidad de los Andes, NURR-CIDIAT Allen, RG, Tasumi, M & Trezza, R, 00, Satellite-Based Energy Balance for Mapping Evapotranspiration with Internalized Calibration METRIC Model, Irrigation and Drainage Engineering, 33, PP Allen, RG, Tasumi, M & Morse, A, 00, Satellite-Based Evapotranspiration by METRIC and Landsat for Western States Water Management, US Bureau of Reclamation Evapotranspiration Workshop, Feb 8 0, Ft Collins Allen, RG, Pereira, LS, Raes, D & Smith, M, 998, Crop Evapotranspiration, Guide-lines for Computing Crop Water Requirements, FAO, Rome, Italy FAO Irrigation and Drainage Paper, PP ASCE-EWRI, 00, The ASCE Standardized Reference Evapotranspiration Equation, Technical Committee Report to the Environmental and Water Resources Institute of the American Society of Civil Engineers from the Task Committee on Standardization - 4