نتایج جستجو برای: precipitation

تعداد نتایج: 59201  

2016
Sydney K. Jones Scott L. Collins John M. Blair Melinda D. Smith Alan K. Knapp

Models predict that precipitation variability will increase with climate change. We used a 15-year precipitation manipulation experiment to determine if altering the timing and amount of growing season rainfall will impact plant community structure in annually burned, native tallgrass prairie. The altered precipitation treatment maintained the same total growing season precipitation as the ambi...

2017
Fuxing Li Li He

Wavelet analysis methods (CWT, XWT, WTC) were employed to evaluate the impact of dominant climatic driving factors on summer precipitation in the Beijing area based on monthly precipitation data of Beijing ranging from 1880 to 2014. The two climatic driving factors, i.e., the East Asian summer monsoon (EASM) and the Northern Limit of Western Pacific Subtropical High (NWPSH) were considered in p...

2012
Paul A. O’Gorman

Precipitation extremes increase in intensity over many regions of the globe in simulations of a warming climate1–3. The rate of increase of precipitation extremes in the extratropics is consistent across global climate models, but the rate of increase in the tropics varies widely, depending on the model used3. The behaviour of tropical precipitation can, however, be constrained by observations ...

1998
MICHAEL D. DETTINGER DANIEL R. CAYAN HENRY F. DIAZ DAVID M. MEKO

The overall amount of precipitation deposited along the West Coast and western cordillera of North America from 258 to 558N varies from year to year, and superimposed on this domain-average variability are varying north–south contrasts on timescales from at least interannual to interdecadal. In order to better understand the north–south precipitation contrasts, their interannual and decadal var...

Journal: :Remote Sensing 2016
Md Shahriar Pervez Geoffrey M. Henebry

Indo-Pacific sea surface temperature dynamics play a prominent role in Asian summer monsoon variability. Two interactive climate modes of the Indo-Pacific—the El Niño/Southern Oscillation (ENSO) and the Indian Ocean dipole mode—modulate the amount of precipitation over India, in addition to precipitation over Africa, Indonesia, and Australia. However, this modulation is not spatially uniform. T...

2003
Xiaohua Lin Jason E. Smerdon Anthony W. England Henry N. Pollack

[1] Temperature changes at the Earth surface propagate into the subsurface and leave a thermal signature in the underlying soil and rock. Inversions of subsurface temperature measurements yield reconstructions of ground surface temperature (GST) histories that provide estimates of climatic changes. A question remaining in the interpretation of reconstructed GST histories is the extent to which ...

2016
Fabian Nippgen Brian L. McGlynn Ryan E. Emanuel James M. Vose

The rainfall-runoff response of watersheds is affected by the legacy of past hydroclimatic conditions. We examined how variability in precipitation affected streamflow using 21 years of daily streamflow and precipitation data from five watersheds at the Coweeta Hydrologic Laboratory in southwestern North Carolina, USA. The gauged watersheds contained both coniferous and deciduous vegetation, do...

2007
Jehn-Yih Juang Amilcare Porporato Paul C. Stoy Mario S. Siqueira A. Christopher Oishi Matteo Detto Hyun-Seok Kim Gabriel G. Katul

[1] The pathway to summertime convective precipitation remains a vexing research problem because of the nonlinear feedback between soil moisture content and the atmosphere. Understanding this feedback is important to the southeastern U. S. region, given the high productivity of the timberland area and the role of summertime convective precipitation in maintaining this productivity. Here we expl...

2016
Yunfei Fu Fengjiao Chen Guosheng Liu Yuanjian Yang Renmin Yuan Rui Li Qi Liu Yu Wang Lei Zhong Liang Sun

Many studies have reported on the trends of precipitation in Mid-Eastern China (EC). However, the trends of convective and stratiform precipitation are still unknown. Here, we examine the trends of summer convective and stratiform precipitation in EC from 2002 to 2012 on the basis of the TRMM observations. Results revealed that the rain frequency (RF) for both convective and stratiform precipit...

Extended abstract 1- Introduction     In order to calculate the erosive power of rainfall, high-resolution precipitation data are necessary for rainfall erosion evaluation. However, collecting the required data on kinetic energy of the rainfall particles and precipitation rates with short-term temporal resolution is a time-intensive task, particularly in developing countries, and the collecte...

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