نتایج جستجو برای: annual precipitation

تعداد نتایج: 163584  

2013
Markus Reuter Andrea K. Kern Mathias Harzhauser Andreas Kroh Werner E. Piller

Precipitation over India is driven by the Indian monsoon. Although changes in this atmospheric circulation are caused by the differential seasonal diabatic heating of Asia and the Indo-Pacific Ocean, it is so far unknown how global warming influences the monsoon rainfalls regionally. Herein, we present a Miocene pollen flora as the first direct proxy for monsoon over southern India during the M...

2011
Paul D. Brooks Peter A. Troch Matej Durcik Erika Gallo Melissa Schlegel

[1] Primary productivity and vegetation cover are strongly related to how precipitation is partitioned into surface discharge, storage, and evapotranspiration (ET). Thus, quantifying feedbacks between changes in precipitation and vegetation at regional scales is a critical step toward predicting both carbon balance and water resources as climate and land cover change. We used a catchment-based ...

2007
Song FENG Saralees NADARAJAH Qi HU

Extreme precipitation events are the major causes of severe floods in China. In this study, four time series of daily, 2-day, 5-day, and 10-day annual maximum precipitation from 1951 to 2000 at 651 weather stations in China were analyzed. The generalized extreme value (GEV) distribution was used, to model the annual extreme precipitation events at each station. The GEV distribution was also mod...

Journal: :Ecology 2013
Lara G Reichmann Osvaldo E Sala Debra P C Peters

In arid ecosystems, current-year precipitation often explains only a small proportion of annual aboveground net primary production (ANPP). We hypothesized that lags in the response of ecosystems to changes in water availability explain this low explanatory power, and that lags result from legacies from transitions from dry to wet years or the reverse. We explored five hypotheses regarding the m...

پورمنافی, سعید, تندوران زنگنه, مریم , سن, جوزف , فاخران اصفهانی, سیما,

Lorestan newt (Neurergus kaiseri) is an endemic species which has restricted dispersal in southern Zagros Mountains in Iran, and it is listed as critically endangered in IUCN red list. Today the populations of this species are decreasing and facing serious threats. In this study, habitat suitability of Neurergus kaiseri was evaluated using a MaxEnt modelling approach according to environmental ...

2013
Ichiro Kurane Ken-ichi Shibasaki Akira Kotaki Yasuaki Hijioka Tomohiko Takasaki

Japanese encephalitis (JE) is one of the most important mosquito-borne viral diseases in Asia. Pigs are a natural host and the amplifier of JE virus. The sero-conversion rate to JE virus in sentinel pigs reflects the activity of JE virus in the region. We analyzed whether precipitation has any effect on the sero-conversion rate to JE virus in sentinel pigs. Linear regression analysis was perfor...

Journal: :Zbornik radova Geografskog instituta Jovan Cvijic, SANU 2012

2011
Jozsef Szilagyi Vitaly A. Zlotnik Janos Jozsa

Mean annual recharge in the Sand Hills of Nebraska (USA) over the 2000–2009 period was estimated at a 1-km spatial resolution as the difference of mean annual precipitation (P) and evapotranspiration (ET). Monthly P values came from the PRISM dataset, while monthly ET values were derived from linear transformations of the MODIS daytime land-surface temperature values into pixel ET rates with th...

2008
K. J. Anchukaitis M. N. Evans N. T. Wheelwright D. P. Schrag

[1] Tropical montane cloud forests are ecosystems intrinsically linked to a narrow range of geographic and meteorological conditions, making them potentially sensitive to small changes in precipitation or temperature. We investigate the potential application of stable isotope analysis to cloud forest dendroclimatology at Monteverde in Costa Rica in order to be able to extract both chronological...

2010
Bernd Ahrends Carolin Penne

The aim of this study was to identify the most significant stand parameters affecting net forest precipitation and interception loss in Scots pine stands and to develop multiple linear regression models (MLR) that can be used for practical purposes to predict net forest precipitation and interception rates in northern Germany using forest inventory data and gross precipitation. In the model, th...

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