Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas
Evapotranspiration (ET) was estimated using a normalized difference vegetation index (NDVI) of satellite data on central Yemen Mountains. A procedure was developed which equated the index to crop coefficients. Evapotranspiration estimates for fields for three dates of Landsat Thematic Mapper data we...
| Main Authors: | , |
|---|---|
| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2008
|
| Subjects: | |
| Online Access: | http://eprints.utm.my/7748/ http://eprints.utm.my/7748/1/EVAPOTRANSPIRATION_ESTIMATION_USING_A_NORMALIZED_DIFFERENCE_VEGETATION.pdf |
| _version_ | 1848891535110701056 |
|---|---|
| author | Almhab, Ayoub Busu, Ibrahim |
| author_facet | Almhab, Ayoub Busu, Ibrahim |
| author_sort | Almhab, Ayoub |
| building | UTeM Institutional Repository |
| collection | Online Access |
| description | Evapotranspiration (ET) was estimated using a normalized difference vegetation index (NDVI) of satellite data on central Yemen Mountains. A procedure was developed which equated the index to crop coefficients. Evapotranspiration estimates for fields for three dates of Landsat Thematic Mapper data were highly correlated with ground estimates. Service area estimates using landsat Thematic Mapper (TM) and NOAA Advanced Very High Resolution Radiometer (AVHRR) data agreed well with estimates based on National Water Resources Authority (NWRA) gauging station data. Comparisons of ET results with traditional ET models show good agreement. Sensitivity analyses show that the model is accurate even without atmospheric correction. |
| first_indexed | 2025-11-15T20:59:30Z |
| format | Conference or Workshop Item |
| id | utm-7748 |
| institution | Universiti Teknologi Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T20:59:30Z |
| publishDate | 2008 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | utm-77482017-09-10T04:16:32Z http://eprints.utm.my/7748/ Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas Almhab, Ayoub Busu, Ibrahim T Technology (General) Evapotranspiration (ET) was estimated using a normalized difference vegetation index (NDVI) of satellite data on central Yemen Mountains. A procedure was developed which equated the index to crop coefficients. Evapotranspiration estimates for fields for three dates of Landsat Thematic Mapper data were highly correlated with ground estimates. Service area estimates using landsat Thematic Mapper (TM) and NOAA Advanced Very High Resolution Radiometer (AVHRR) data agreed well with estimates based on National Water Resources Authority (NWRA) gauging station data. Comparisons of ET results with traditional ET models show good agreement. Sensitivity analyses show that the model is accurate even without atmospheric correction. 2008 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/7748/1/EVAPOTRANSPIRATION_ESTIMATION_USING_A_NORMALIZED_DIFFERENCE_VEGETATION.pdf Almhab, Ayoub and Busu, Ibrahim (2008) Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas. In: 7th International Symposium 7 Exhibition on Geoinformation (ISG 2008), 13-15 October 2008, Putra World Trade Centre(PWTC), Kuala Lumpur, Malaysia. |
| spellingShingle | T Technology (General) Almhab, Ayoub Busu, Ibrahim Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title | Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title_full | Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title_fullStr | Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title_full_unstemmed | Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title_short | Evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| title_sort | evapotranspiration estimation using a normalized difference vegetation index transformation of two satellites data in arid mountain areas |
| topic | T Technology (General) |
| url | http://eprints.utm.my/7748/ http://eprints.utm.my/7748/1/EVAPOTRANSPIRATION_ESTIMATION_USING_A_NORMALIZED_DIFFERENCE_VEGETATION.pdf |