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MOD44W.005 Land Water Mask Derived From MODIS and SRTM
يستخدِم قناع المياه العالمي بيانات SWBD (بيانات الأجسام المائية من SRTM) مع بيانات MODIS 250m لإنشاء خريطة عالمية كاملة للمياه السطحية بدرجة دقة مكانية تبلغ 250 مترًا، وذلك في الفترة من 2000 إلى 2002 تقريبًا. تم تصميم مجموعة البيانات هذه للاستخدام في معالجة البيانات النقطية ولأغراض … geophysical mod44w modis srtm surface-ground-water water-mask -
MOD44W.006 Terra Land Water Mask Derived From MODIS and SRTM Yearly Global 250m
يتم الحصول على منتج قناع الأرض/الماء MOD44W V6 بدقة 250 مترًا باستخدام مصنّف شجرة قرارات تم تدريبه باستخدام بيانات MODIS وتم التحقّق منه باستخدام منتج MOD44W V5. يتم تطبيق سلسلة من الأقنعة لحلّ المشاكل المعروفة الناتجة عن ظل التضاريس أو ندوب الحروق أو الغيوم أو الغطاء الجليدي. geophysical mod44w modis nasa srtm surface-ground-water
Datasets tagged mod44w in Earth Engine
[null,null,[],[[["\u003cp\u003eThe MOD44W V6 product provides a 250m resolution land/water mask derived from MODIS and SRTM data, addressing terrain shadow and other issues for yearly global coverage.\u003c/p\u003e\n"],["\u003cp\u003eThe MOD44W V5 product utilizes a decision tree classifier trained with MODIS data for land/water classification.\u003c/p\u003e\n"],["\u003cp\u003eThe Global Water Mask (circa 2000-2002) combines SRTM Water Body Data and MODIS 250m data for a comprehensive global surface water map at 250m resolution.\u003c/p\u003e\n"]]],[],null,["# Datasets tagged mod44w in Earth Engine\n\n-\n\n |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### MOD44W.005 Land Water Mask Derived From MODIS and SRTM](/earth-engine/datasets/catalog/MODIS_MOD44W_MOD44W_005_2000_02_24) |\n | The Global Water Mask uses the SWBD (SRTM Water Body Data) in combination with MODIS 250m data to create a complete global map of surface water at 250m spatial resolution, circa 2000-2002. This dataset is intended for use in processing of raster data and for ... |\n | [geophysical](/earth-engine/datasets/tags/geophysical) [mod44w](/earth-engine/datasets/tags/mod44w) [modis](/earth-engine/datasets/tags/modis) [srtm](/earth-engine/datasets/tags/srtm) [surface-ground-water](/earth-engine/datasets/tags/surface-ground-water) [water-mask](/earth-engine/datasets/tags/water-mask) |\n\n-\n\n |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### MOD44W.006 Terra Land Water Mask Derived From MODIS and SRTM Yearly Global 250m](/earth-engine/datasets/catalog/MODIS_006_MOD44W) |\n | The MOD44W V6 land/water mask 250m product is derived using a decision tree classifier trained with MODIS data and validated with the MOD44W V5 product. A series of masks are applied to address known issues caused by terrain shadow, burn scars, cloudiness, or ice cover ... |\n | [geophysical](/earth-engine/datasets/tags/geophysical) [mod44w](/earth-engine/datasets/tags/mod44w) [modis](/earth-engine/datasets/tags/modis) [nasa](/earth-engine/datasets/tags/nasa) [srtm](/earth-engine/datasets/tags/srtm) [surface-ground-water](/earth-engine/datasets/tags/surface-ground-water) |"]]