Potentiality of land and water resources in African Sahara: a case study of south Egypt
作者： A. H. El Nahry , E. S. Mohamed
DOI: 10.1007/S12665-010-0799-5
关键词:
摘要: The investigated area is located south Egypt, between latitudes 22°00′N and 24°15′N, longitudes 28°00′E 30°00′E. It covers a total of about 95,000.17 km2. was remotely sensed to identify landscape its land water resources. A reconnaissance survey followed by detailed one done verify the information resulted from satellite images. prevailing deposits could be expressed as (1) Nubian sandstone, (2) Quaternary sediments, (3) sand dunes belt. Fourteen main sub-main landforms were recognized, i.e., sheets (high, moderately high, moderate, low), depressions dry valleys, peniplains, footslopes, barchans, tablelands, scattered hills. Associated soils distinguished classified Typic Torripsamments, Haplocalcids, Torrifluvents, Haplodurids. Spatial variability soil characteristics identified through using ordinary Kriging interpolation method. Land surface temperatures in both summer winter seasons derived thermal band, temperature regimes defined digitally hyperthermic. Water potentiality according salinity sodicity hazards C2-S1 C3-S1. Using GIS techniques, spatial model (SPSM) designed get classes, low, very low.
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