نتایج جستجو برای: mountains and valleys
تعداد نتایج: 16831168 فیلتر نتایج به سال:
A surface solar radiation parameterization based on deviations between 3-D and conventional plane-parallel radiative transfer models has been incorporated into the Weather Research and Forecasting (WRF) model to understand the solar insolation over mountain/snow areas and to investigate the impact of the spatial and temporal distribution and variation of surface solar fluxes on land-surface pro...
Sixteen species of bats are reported from Margarita Island, Nueva Esparta, Venezuela. These include two species of emballonurids, one noctilionid, two mormoopids, nine phyllostomatids, one vespertilionid, and one molossid. Accounts including natural history and taxonomic comments are given for each species. The chiropteran fauna of Margarita Island is compared with the bat faunas of the adjacen...
The main goal of this paper is to present results preliminary archaeological research on the south side Lake Issyk-Kul in Kyrgyzstan. We test hypothesis that agropastoral land use changed over four millennia from Bronze Age through Kirghiz period due economic, socio-political, and religious shifts prehistoric historic societies region. Our objectives are to: (1) describe analyze survey Lower Ki...
—Morphological and morphometric comparisons of Otomys orestes dollmani, known only from Mount Gargues in the Mathews Range, central Kenya, indicate that the taxon is a valid species distinct from other African forms under which it has been previously synonymized (O. irroratus, O. orestes, O. tropicalis). Based also on these comparisons, the morphological recognition and distribution of O. orest...
Severe mechanical damage from frost and ice on trees occurred in the Börzsöny Mountains Northern Hungary during 1–2 December 2014. The affected 10,000 hectares overall; however, two examined valleys suffered conspicuously different extents of damage. While Rakottyás Valley study area had severe damage, Pogány-Rózsás Forest Reserve only moderate Airborne Laser Scanning (ALS) a field survey were ...
The snow leopard (Panthera uncia) lives in alpine ecosystems Central Asia, where it could face intensive climate change and is thus a major conservation concern. We compiled dataset of 406 GPS-located occurrences based on field surveys, literature, the GBIF database. used Random Forest to build different species distribution models with maximum 27 explanatory variables, including climatic, topo...
In this paper, we calculate electron and hole impactionization coefficients in In0.52Al0.48As using a Monte Carlo modelwhich has two valleys and two bands for electrons and holesrespectively. Also, we calculate multiplication factor for electronand hole initiated multiplication regimes and breakdown voltagein In0.52Al0.48As PIN avalanche photodiodes. To validate themodel, we compare our simulat...
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