نتایج جستجو برای: shortwave and longwave radiation

تعداد نتایج: 16874952  

Journal: :Sustainability 2023

The micrometeorological elements, radiation budget, and surface energy distribution at four sites with land cover types of vegetable, orchard, maize, desert in the Heihe River basin (HRB) from June 2012 to September are compared investigate differences land–atmosphere interaction between different biophysical effects use change on temperature. site has highest soil temperature during both dayti...

Journal: :Geophysical Research Letters 2023

This paper evaluates sea surface temperature (SST) biases of coupled models participating in Coupled Model Intercomparison Project Phase 5 (CMIP5) and CMIP6. Overall, CMIP6 perform better than CMIP5 ones reproducing SST climatology, with lower multi-model ensemble mean (MME) globally averaged absolute bias (1.17 vs. 1.31 K). MME global annual shifts from cooling (−0.09 ± 0.52 K) to warming (0.2...

2017
Simon F. B. Tett Michael J. Mineter Coralia Cartis Daniel J. Rowlands Ping Liu

Perturbed physics configurations of the HadAM3 atmospheric model driven with observed sea surface temperatures (SST) and sea ice were tuned to outgoing radiation observations using a Gauss-Newton line-search optimisation algorithm to adjust the model parameters. Four key parameters, that previous research found affected climate sensitivity, were adjusted to several different target values inclu...

2017
Bingfang Wu Shufu Liu Weiwei Zhu Nana Yan Qiang Xing Shen Tan

Net radiation plays an essential role in determining the thermal conditions of the Earth's surface and is an important parameter for the study of land-surface processes and global climate change. In this paper, an improved satellite-based approach to estimate the daily net radiation is presented, in which sunshine duration were derived from the geostationary meteorological satellite (FY-2D) clo...

2009
Richard S. Lindzen Yong-Sang Choi

[1] Climate feedbacks are estimated from fluctuations in the outgoing radiation budget from the latest version of Earth Radiation Budget Experiment (ERBE) nonscanner data. It appears, for the entire tropics, the observed outgoing radiation fluxes increase with the increase in sea surface temperatures (SSTs). The observed behavior of radiation fluxes implies negative feedback processes associate...

Journal: :Journal of physics 2022

In this paper, we investigate the characteristics and mechanism underlying formation of marine heatwaves (MHWs) in Savu Sea, known as richest biodiversity area world. The focus is on identifying frequency, intensity, duration occurrence MHWs generated by local forcing form net surface heat flux. study utilizes remote sensing data from NOAA Optimum Interpolation (OI) Sea Surface Temperature (SST...

2000
George R. Diak William L. Bland John R. Mecikalski Martha C. Anderson

Geostationary satellites provide information that enables frequent, routine and cost-effective estimates of both downwelling longwave radiation and incident solar radiation for use by agricultural and other applications, at a resolution that cannot be practically matched by ground-based measurements. We develop a new parameterization for downwelling longwave radiation at the earth’s surface tha...

2000
Stephen E. Schwartz

The Atmospheric Radiation Measurement (ARM) Program, supported by the U.S. Department of Energy, is a major new program of atmospheric measurement and modeling. The program is intended to improve the understanding of processes that affect atmospheric radiation and the description of these processes in climate models. An accurate description of atmospheric radiation and its interaction with clou...

1999
DAVID H. TASHIMA DENNIS L. HARTMANN

Data from the Earth Radiation Budget wide-field-of-view sensors on board the Nimbus-7 satellite during the period 1979–87 indicate a statistically significant downward trend in daytime outgoing longwave radiation (OLR) of up to 14 W m22 decade21 over the Sahara desert region of Africa. Reflected solar radiation shows a positive trend of the same magnitude. No significant trends in temperature o...

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