نتایج جستجو برای: precipitation pattern

تعداد نتایج: 404657  

Journal: :Remote Sensing 2015
Haidong Li Yingkui Li Weishou Shen Yanan Li Jie Lin Xiaoyu Lu Xia Xu Jiang Jiang

The Yarlung Zangbo River basin is an important alley to transport moisture from the Indian Ocean to the inner Tibetan Plateau. With a wide range of elevations from 147 m to over 7000 m above sea level (a.s.l.), ecosystems respond differently to climate change at various elevations. However, the pattern of elevation-dependent vegetation change and how it responds to recent warming have been rare...

2012
Feng Niu Zhanqing Li

Aerosols may modify cloud properties and precipitation via a variety of mechanisms with varying and contradicting consequences. Using a large ensemble of satellite data acquired by the Moderate Resolution Imaging Spectroradiometer onboard the Earth Observing System’s Aqua platform, the CloudSat cloud profiling radar and the CloudAerosol Lidar and Infrared Pathfinder Satellite Observations (CALI...

2012
Leonard M. Druyan Matthew Fulakeza

Precipitation maxima during the West African summer monsoon propagate generally westward in tandem with African easterly waves. A heretofore unreported, repeating pattern of northward drift of precipitation maxima is detected on Tropical Rainfall Measurement Mission (TRMM satellite) time-latitude distributions of daily accumulations over the eastern tropical Atlantic. Corresponding 3-hourly TRM...

Journal: :Remote Sensing 2015
Xiaoduo Pan Xin Li Guodong Cheng Hongyi Li Xiaobo He

To obtain long term accurate high resolution precipitation for the Heihe River Basin (HRB), Weather Research and Forecasting (WRF) model simulations were performed using two different initial boundary conditions, with nine microphysical processes for different analysis parameterization schemes. High spatial-temporal precipitation was simulated from 2000 to 2013 and a suitable set of initial, bo...

2003
D. R. Bowling N. G. McDowell J. M. Welker B. J. Bond B. E. Law J. R. Ehleringer

[1] The oxygen isotope content of nocturnal ecosystem respiration (dOR) was examined in forests along a precipitation gradient in Oregon, USA, to determine whether site-to-site variation in dOR was more strongly related to variation in d O of precipitation or to evaporative processes that isotopically modify water pools within ecosystems. Measurements were made over 4 years at sites ranging in ...

Journal: :Remote Sensing 2018
Sulimar Munira Caparoci Nogueira Mauricio Alves Moreira Margarete Marin Lordelo Volpato

Precipitation estimates derived from the Eta model and from TRMM (Tropical Rainfall Measuring Mission) and CHIRPS (Climate Hazards Group InfraRed Precipitation with Station data) remotely sensed data were compared to the precipitation data of the INMET (National Institute of Meteorology) meteorological stations in the south-southeast region of Minas Gerais state, Brazil, in the period between J...

2012
Jung Il Seo Futoshi Nakamura Takumi Akasaka Hidetaka Ichiyanagi Kun Woo Chun

[1] We examined the relationships between large wood (LW) export and precipitation patterns and intensity by analyzing the data on the annual volume of LW removed from 42 reservoirs and the daily precipitation at or near the reservoir sites. We also calculated the effective precipitation by considering the antecedent precipitation. Both daily and effective precipitation data were used as explan...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

1985
A. Liebminger

In the last decades, the 18O/16O signature of meteoric water became a key tracer intensively used both in hydrology and in paleoclimatology, based primarily on the correlation of the 18O/16O ratio in precipitation with temperature. This correlation with temperature is generally well understood as a result of Rayleigh processes of atmospheric vapour during the formation of precipitation. The res...

2009
ROBINSON I. NEGRÓN JUÁREZ WENHONG LI RONG FU KATIA FERNANDES OLIVEIRA CARDOSO

Six rainfall datasets are compared over the Amazon basin, Northeast Brazil, and the Congo basin. These datasets include three gauge-only precipitation products from the Climate Prediction Center (CPC), Global Precipitation Climatology Center (GPCC), and Brazilian Weather Forecast and Climate Studies Center (CLMNLS), and three combined gauge and satellite precipitation datasets from the CPC Merg...

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