نتایج جستجو برای: normalized dust difference index
تعداد نتایج: 858485 فیلتر نتایج به سال:
استان کردستان به دلیل برخورداری از کوهستان های مرتفع و برف گیر و جاذبه های طبیعی زمستانه جهت انجام فعالیت های ورزشی زمستانه مناسب می باشد و می تواند با بهره گیری از این پتانسیل طبیعی و جذب گردشگر زمینه های تحول و توسعه ی اقتصادی خود را فراهم نماید. اما اغلب پژوهشی در خصوص انتخاب محل های مناسب ورزش های زمستانه در کشور بر اساس مبانی علمی و پژوهشی صورت نگرفته است. لذا در این پژوهش سعی می گردد محل ...
Larix chinensis Beissn., as a native, dominant and climate-sensitive coniferous species at Mount Taibai timberline, Qinling mountains, is rarely disturbed by anthropogenic activities; thus, it an ideal proxy for the investigation of climate change or vegetation evolution. In this study, we applied dendrochronological methods to L. tree-ring series from Mt. investigated relationships between wid...
Mangrove ecosystem in Semarang City has an important role for survival of the coastal area. This is due to function mangroves as a barrier erosion, wave barrier, carbon producer, habitat biota areas, well improving water quality. However, time goes by, condition decreasing every year and causing disasters such erosion tidal flooding which have identically occurred on coast Semarang. area 2020 1...
Climate change has caused an increase in the frequency of flood events. Rapid and accurate mapping is essential for disaster monitoring risk assessment. The normalized difference index (NDFI) a detection method with characteristics efficient processing less manual intervention, which can quickly obtain information. However, NDFI would misclassify some permanent water bodies lakes rivers into fl...
The Infrared Difference Dust Index (IDDI) is a satellite dust product designed for climatological applications, designed specifically for dust remote sensing in arid regions such as the Sahel and Sahara. It is based on the atmospheric response to dust, extracted from midday Meteosat-IR imagery, and takes advantage of the impact of dust aerosols on the thermal infra-red radiance outgoing to spac...
Introduction Dust is one of the important climatic phenomena that has occurred in arid and semi-arid regions of the world. In recent years, one of the most important environmental issues in the Middle East and Iran is the occurrence of dust phenomena that affects a variety of factors, including human health, plants and other living organisms, economic conditions, and etc. One of the effective ...
Forest ecosystems are among the largest terrestrial carbon reservoirs on our planet earth thus playing a vital role in global carbon cycle. Presently, remote sensing techniques provide proper estimates of forest biomass and quantify carbon stocks. The present study has explored Landsat-8 sensor product and evaluated its application in biomass mapping and estimation. The specific objectives were...
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