نتایج جستجو برای: land surface temperature

تعداد نتایج: 1123038  

2008
Rongbo Xiao Qihao Weng Zhiyun Ouyang Weifeng Li Erich W. Schienke Zhaoming Zhang

Land surface temperature (LST) is a significant parameter in urban environmental analysis. Current research mainly focuses on the impact of land-use and land-cover (LULC) on LST. Seldom has research examined LST variations based on the integration of biophysical and demographic variables, especially for a rapidly developing city such as Beijing, China. This study combines the techniques of remo...

2017
Narayana Reddy

Land surface temperature (LST) is an essential factor in many areas like global climate change studies, urban land use/land cover, geo-/biophysical and also a key input for climate models. LANDSAT 8, the latest satellite from LANDSAT series, has given lot of possibilities to study the land processes using remote sensing. In this study an attempt has been made to estimate LST over Chittoor distr...

2010
Menglin Jin

This paper tries to identify one of the reasons for the poor land skin temperature simulated by a climate model over Greenland. It first compares ICEsat surface height measurements over Greenland with those used by the model and reveals that the surface height of Greenland prescribed in the National Center for Atmospheric Research (NCAR) Community Climate System Model/Community Land Model versi...

2010
CRISTINA SERBAN ALINA BARBULESCU

Estimating evapotranspiration is essential for understanding the water cycle of natural systems and for the management of the water resources in landscape systems. This paper presents a procedure to calculate the evapotranspiration using the remote sensing data and Grid Computing. Evapotranspiration was retrieved during satellite overpass and integrated for 24 hours on pixel-by-pixel base for d...

Journal: :پژوهش های جغرافیای طبیعی 0
فیروز مجرد دانشیار گروه جغرافیا، دانشگاه رازی کرمانشاه محمد رامیار یوسف نژاد کارشناسی ارشد اقلیم شناسی، گروه جغرافیا، دانشگاه رازی کرمانشاه امان الله فتح نیا استادیار گروه جغرافیا، دانشگاه رازی کرمانشاه

introduction frost as a harmful climatologic phenomenon affects various human activities and biological processes. due to mountainous nature of kurdistan province as the study area of this research in one hand and type and diversity of effective air masses on the other, the frequency, severity and duration of this phenomenon in the province are outstanding. confronting frost could be one of the...

ژورنال: علوم آب و خاک 2008
نظری فر, محمدهادی , بهبهانی , سید محمود رضا , رحیمی خوب, علی ,

  Air temperature prediction models using satellite data are based on two variables of land surface temperature and vegetation cover index. These variables are obtained by atmospheric corrections in the values for the above data. Water vapor, ozone, and atmospheric aerosol optical depth are required for the atmospheric correction of visible bands. However, no measurements are available for thes...

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