نتایج جستجو برای: himalayan stream
تعداد نتایج: 61751 فیلتر نتایج به سال:
Extra-tropical circulation systems impede poleward moisture advection by the Indian Summer Monsoon. In this context, the Himalayan range is believed to insulate the south Asian circulation from extra-tropical influences and to delineate the northern extent of the Indian Summer Monsoon in central Asia. Paleoclimatic evidence, however, suggests increased moisture availability in the Early Holocen...
Recent thermochronologic data from the Annapurna region of central Nepal show very young ages in the footwall of the Main Central Thrust (MCT), with late Miocene-Pliocene Th/Pb monazite ages especially common 5-15 kilometers south of the MCT (Catlos et al., 2001). These data can be explained with several different models, including: 1) Reactivation of the MCT and its splays in Miocene-Pliocene ...
Our study of the Seti River in far western Nepal shows that the solute chemistry of the river and its tributaries is strongly controlled by geology. The Seti flows through four distinct terranes, starting with the Tethyan sedimentary series (TSS) and Greater Himalayan series (GHS). TSS/GHS waters display Sr/Sr ratios of ,0.73 and high Sr and Ca, consistent with the composition of limestone and ...
The greater Himalayan region demarcates two of the most prominent linguistic phyla in Asia: Tibeto-Burman and Indo-European. Previous genetic surveys, mainly using Y-chromosome polymorphisms and/or mitochondrial DNA polymorphisms suggested a substantially reduced geneflow between populations belonging to these two phyla. These studies, however, have mainly focussed on populations residing far t...
Original Article Aims & Objectives : To evaluate distribution of iodine through edible salts and bioavailability of iodine in sub-Himalayan Tarai region of Eastern Uttar Pradesh. Methods & Design: The study has been conducted in all 14 Community development (CD) Blocks in the studied region. To measure the iodine content of salt and water samples ,a total of 490 edible salt samples and 112 drin...
Integrated pseudosection modeling and monazite petrochronology of paragneiss from the Kanchenjunga region of northeastern Nepal reveal the presence of cryptic tectonometamorphic discontinuities within the Himalayan metamorphic core. These new data outline a series of thrust-sense structures that juxtapose rocks that generally record a protracted history of early Eocene to latest Oligocene–early...
We examined seasonal prevalence in avian haemosporidians (Plasmodium and Haemoproteus) in migrant and resident birds in western Himalaya, India. We investigated how infection with haemosporidians in avian hosts is associated with temporal changes in temperature and mosquito abundance along with host abundance and life-history traits (body mass). Using molecular methods for parasite detection an...
Crabs are significant invertebrates in the Subansiri River basin, one of major sub-basins Brahmaputra valley northeast India. They have immense ecological and economic value provide an alternative source income for local inhabitants. Following thirteen sites basin were surveyed to determine availability diversity crab species this region: Hatinala, Kalma river, Dikrong Senki Poma Harmuti, Ranga...
The mountain slopes of the Himalayas, Alps, Pyrenees, and Andes have been the world’s most notorious foci of endemic goiter (1). The northern frontiers of India extending from Kashmir in the west to Assam in the east form an extensive Himalayan goiter belt (2). Forty million persons are believed to be exposed to the risk ofgoiter in this belt and approximately nine million are afflicted with it...
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