Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s12524-016-0594-1 |
Crop Evapotranspiration Estimation for Wheat (Triticum aestivum L.) Using Remote Sensing Data in Semi-Arid Region of Maharashtra | |
Kadam, S. A.1; Gorantiwar, S. D.1; Das, S. N.2; Joshi, A. K.3 | |
通讯作者 | Kadam, S. A. |
来源期刊 | JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING
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ISSN | 0255-660X |
EISSN | 0974-3006 |
出版年 | 2017 |
卷号 | 45期号:2页码:297-305 |
英文摘要 | Penman-Monteith method adapted to satellite data was used for the estimation of wheat crop evapotranspiration during the entire growth period using satellite data together with ground meteorological measurements. The IRS-1D/IRS-P6 LISS-III sensor data at 23.5 m spatial resolution for path 096 and row 059 covering the study area were used to derive, albedo, normalized difference vegetation index, leaf area index and crop height and then to estimate wheat crop evapotranspiration referred to as actual evapotranspiration (ETact). The ETact varied from 0.86 to 3.41 mm/day during the crop growth period. These values are on an average 16.40 % lower than wheat crop potential evapotranspiration (ETc) estimated as product of reference crop evapotranspiration estimated by Penman-Monteith method and lysimetric crop coefficient (Kc). The deviation of ETact from ETc is significant, when both the values were compared with t test for paired two sample means. Though the observations on ETact were taken from well maintained unstressed experimental plot of 120 x 120 m size, there was significant deviation. This deviation could be attributed to, the satellite images representing the actual crop evapotranspiration as function crop canopy biophysical parameters, condition of the crop stand, climatic and soil conditions and the microclimate variation over area of one hectare. However, Penman-Monteith method represents a flat rate of specific growth stage of the crop. |
英文关键词 | Remote sensing Crop evapotranspiration Wheat Penman-Monteith method |
类型 | Article |
语种 | 英语 |
国家 | India |
收录类别 | SCI-E |
WOS记录号 | WOS:000400660300010 |
WOS关键词 | MODEL ; FLUXES ; WATER |
WOS类目 | Environmental Sciences ; Remote Sensing |
WOS研究方向 | Environmental Sciences & Ecology ; Remote Sensing |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/200848 |
作者单位 | 1.Mahatma Phule Krishi Vidyapeeth, Deparment Irrigat & Drainage Engn, AICRP Groundwater Utilizat, Ahmednagar 413722, Maharashtra, India; 2.Maharashtra Remote Sensing Applicat Ctr, Nagpur, Maharashtra, India; 3.Reg Remote Sensing Ctr Cent, Nagpur, Maharashtra, India |
推荐引用方式 GB/T 7714 | Kadam, S. A.,Gorantiwar, S. D.,Das, S. N.,et al. Crop Evapotranspiration Estimation for Wheat (Triticum aestivum L.) Using Remote Sensing Data in Semi-Arid Region of Maharashtra[J],2017,45(2):297-305. |
APA | Kadam, S. A.,Gorantiwar, S. D.,Das, S. N.,&Joshi, A. K..(2017).Crop Evapotranspiration Estimation for Wheat (Triticum aestivum L.) Using Remote Sensing Data in Semi-Arid Region of Maharashtra.JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING,45(2),297-305. |
MLA | Kadam, S. A.,et al."Crop Evapotranspiration Estimation for Wheat (Triticum aestivum L.) Using Remote Sensing Data in Semi-Arid Region of Maharashtra".JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING 45.2(2017):297-305. |
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