نتایج جستجو برای: yardang
تعداد نتایج: 33 فیلتر نتایج به سال:
1. introduction wind erosion is a major geomorphological force, especially in arid and semi-arid regions. it is also a major source of land degradation, evaporation, desertification, harmful airborne dust, and crop damage especially after being increased far above natural rates by human activities such as deforestation, urbanization, and agriculture. wind erosion removes sediment, damage crops,...
Extended abstract 1- Introduction Granulometric analysis is a common tool used to understand and determine the origin of wind sands, and is applied in desertification studies; to realize such knowledge, the parameters of sand particles size as well as statistical analysis such as mean, standard deviation, kurtosis, skewness, etc. are used. One of the most common types of sand dunes formed...
Background: Gale Crater is located at 5.3°S, 222.3°W (137.7°E) and has a diameter of ~155 km. It has b een a ta rget o f p articular i nterest d ue to the > 5 k m t all m ound o f layered material that occupies the center of the c rater. Gale Crater is currently one of four finalist landing s ites for the Mars Science Laboratory rover. Method: We used visible (CTX, HiRISE, MOC), infrared (THEMI...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید