| 000 | 02577cam a2200313 a 4500 | ||
|---|---|---|---|
| 003 | EG-GiCUC | ||
| 008 | 170507s2016 ua a f m 000 0 eng d | ||
| 040 |
_aEG-GiCUC _beng _cEG-GiCUC |
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| 041 | 0 | _aeng | |
| 049 | _aDeposite | ||
| 097 | _aPh.D | ||
| 099 | _aCai01.13.05.Ph.D.2016.Mo.M | ||
| 100 | 0 | _aMohamed Aly Mahmoud Elkordy | |
| 245 | 1 | 0 |
_aMapping and monitoring of ungauged wetlands in tropical regions : _bApplication to eastern nile basin / _cMohamed Aly Mahmoud Elkordy ; Supervised Ahmad Wagdy Abdeldayem , Mohamed Rami Mahmoud |
| 246 | 1 | 5 |
_aتحديد و متابعة اراضى مستنقعات المياه المفتقدة للقياسات الأرضية فى المناطق الاستوائية : _bتطبيق على حوض النيل الشرقى |
| 260 |
_aCairo : _bMohamed Aly Mahmoud Elkordy , _c2016 |
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| 300 |
_a126 P. : _bill. ; _c30cm |
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| 502 | _aThesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering | ||
| 520 | _aIn this research, a more accurate, robust, and automated technique to define the extent and variation of the seasonal wetlands in eastern nile basin has been developed. The technique aims at producing consistent spatial and temporal maps for wetlands in tropical regions where cloud cover is dominant using freely available remote sensing data. Several water detection techniques are implemented and compared including the Normalized Difference Water Index (NDWI), the modified normalized difference water Index (mNDWI), and the open water likelihood Index (OWL). The mNDWI is the most sensitive and indicative index for detecting water over mixed inundated pixels of water, bare soil, and vegetation especially in wetlands. The method has been successfully applied and calibrated over the roseires reservoir as an open water body and over the Baro-Akobo-Sobat wetlands as well to finally generate a time series of water maps over the study area from 2000 till 2014. The generated water maps show substantial to strong agreement with water maps created from much higher resolution platforms. The resulting maps are used to monitor the seasonal variation of wetlands areas of the Baro-Akobo-Sobat in addition to estimating the evaporation losses from these wetlands | ||
| 530 | _aIssued also as CD | ||
| 653 | 4 | _aBaro-akobo-sobat | |
| 653 | 4 | _aRemote sensing | |
| 653 | 4 | _aWetlands mapping | |
| 700 | 0 |
_aAhmad Wagdy Abdeldayem , _eSupervisor |
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| 700 | 0 |
_aMohamed Rami Mahmoud , _eSupervisor |
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| 905 |
_aNazla _eRevisor |
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| 905 |
_aSamia _eCataloger |
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| 942 |
_2ddc _cTH |
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| 999 |
_c60813 _d60813 |
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