The study intends to identify both the geomorphologic and hydrological characteristics of Lake Sawa regarding its water sources specific attributes this water. focused on impact climate lake surface water's physical chemical properties. analysis data for a major cycle (30 years) period (1989- 2018) samples taken from depth (1-5) meters proved that had changed properties water; besides, extensiv...

abstract this paper presents a robust approach using artificial neural networks in the form of a self organizing map (som) as a semi-automatic method for analysis and identification of morphometric features in two completely different environments, the man and biosphere reserve “eastern carpathians” (central europe) in a complex mountainous humid area and yardangs in lut desert, iran, a hyper a...

The distribution of desert tortoises (Gopherus agassizii) spans a wide range of biotic and abiotic conditions in the southwestern United States and northwestern Mexico, with physical and behavioral differences distinguishing tortoises inhabiting the Mojave Desert from those inhabiting the Sonoran Desert. Relative to tortoise populations in the Mojave Desert, populations in the Sonoran Desert ha...