نتایج جستجو برای: pre and post monsoon
تعداد نتایج: 16921189 فیلتر نتایج به سال:
The present work focuses on the seasonal evaluation of suspended particulate matter (SPM) produced by Badarpur thermal power station (BTPS) within a radius of 5 km of its source. The study was carried out using both monitoring and modeling; experimental measurements were obtained from a monitoring network in and around the power station. Numerical simulations were carried out employing a Gaussi...
water samples were collected from five selected mangrove ecosystems along kerala coast, north of cochin, on seasonal basis and analysed for various hydrographic parameters. to explain spatiotemporalvariations and the processes controlling their distribution, anova (two factor without replication),correlation and principal component analysis were carried out. concentration of total nitrogen vari...
Abstract Rapid human pressure in semi-urban and urban areas along with increasing industrial activities has resulted release of untreated sewage other forms pollutants into major rivers globally including the Ganga. In this study, nine sites represented by 59 stations lower stretch River Ganga were monitored seasonally to understand effect monsoonal precipitation on environmental variables Wate...
چکیده : ofdm یک تکنیک مدلاسیون برای ارسال داده با سرعت بالا در کانال محو شدگی چند مسیره است. مهم ترین عاملی که سیستم های siso-ofdm (single-input single output ofdm) را با مشکل مواجه می سازند منابع تداخل می باشد. به منظور حذف تداخل استفاده از آنتن های آرایه ای در گیرنده سیستم های ofdm پیشنهاد شده که simo-ofdm (single-input multiple-output - ofdm) نامیده می شود. یکی از راههای افزایش ظرفیت کانال ...
Pre-monsoon principal components (PCs) of circulation fields covering the South Asian subcontinent were used as predictors for all-India summer monsoon rainfall (AISMR) over the period 1958–1993. Predictive skill of non-linear neural network models and linear multiple regression models was compared using a bootstrap-based resampling procedure. Monsoon precursor signals represented by PCs were i...
Quality groundwater is the most essential prerequisite for better livelihood of coastal villages and a vital resource safe living. Seawater interaction inundation modify hydro geochemical cycles leading to gross utility as challenge. Poor quality water intake causes diseases seriously affects human health. In this study, suitability shallow drinking sources (10–15 m) has been studied with focus...
Benthic communities form an important component of the marine food chain. Their occurrence also provides information on the health of the ecosystem. A study was carried out to understand the distribution and abundance of macrobenthos along with sediment characteristics and physicochemical parameters in Visakhapatnam harbour, a major port along the east coast of India. In all 84 macrobenthic tax...
Different multivariate statistical analysis such as, cluster analysis, principal component analysis, and multidimensional scale plot were employed to evaluate the trophic status of water quality for four monitoring stations. The present study was carried out to determine the physicochemical parameters of water and sediment characteristics of Pondicherry mangroves-southeast coast of India, durin...
Supraglacial ponds play a key role in absorbing atmospheric energy and directing it to the ice of debris-covered glaciers, but the spatial and temporal distribution of these features is not well documented. We analyse 172 Landsat TM/ETM+ scenes for the period 1999–2013 to identify thawed supraglacial ponds for the debris-covered tongues of five glaciers in the Langtang Valley of Nepal. We apply...
abstract the present study was an attempt to investigate the effect of critical thinking on writing ability of 60 iranian intermediate efl learners studying at chenar language institute in khuzestan, iran. to this end, the participants of the study were selected based on their performance in an pet test, a cornell critical thinking test form x and a pre-test of writing. the participants un...
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