نتایج جستجو برای: shortwave and longwave radiation

تعداد نتایج: 16874952  

1998
Stephen E. Schwartz

Anthropogenically induced climate change is of great current interest because of increases in atmospheric loading of infrared active (greenhouse) gases over the past 150 years and the inferred resultant increase in infrared radiation flux in the troposphere. However the climate change ascribed to such increases, not to mention predictions of future climate change in response to prospective chan...

Journal: :Hydrology Research 2021

Abstract We monitored lake surface water temperatures from 1992 to 2019 in Lake Kasumigaura, a shallow Japan. hypothesized that increases of shortwave radiation had increased and heat fluxes more than the air temperature. used flux analyses sensitivity test hypothesis. The solar gradually during study period manner consistent with phenomenon global brightening. increase was especially apparent ...

2002
ISMAIL YUCEL W. JAMES SHUTTLEWORTH R. T. PINKER L. LU S. SOROOSHIAN

This study investigates the extent to which assimilating high-resolution remotely sensed cloud cover into the Regional Atmospheric Modeling System (RAMS) provides an improved regional diagnosis of downward shortand longwave surface radiation fluxes and precipitation. An automatic procedure was developed to derive highresolution (4 km 3 4 km) fields of fractional cloud cover from visible band Ge...

2009
Kevin E. Trenberth John T. Fasullo JeFFrey Kiehl

W eather and climate on Earth are determined by the amount and distribution of incoming radiation from the sun. For an equilibrium climate, OLR1 necessarily balances the incoming ASR, although there is a great deal of fascinating atmosphere, ocean, and land phenomena that couple the two. Incoming radiant energy may be scattered and reflected by clouds and aerosols or absorbed in the atmosphere....

2008
John T. Fasullo JeFFrey Kiehl

W eather and climate on Earth are determined by the amount and distribution of incoming radiation from the sun. For an equilibrium climate, OLR1 necessarily balances the incoming ASR, although there is a great deal of fascinating atmosphere, ocean, and land phenomena that couple the two. Incoming radiant energy may be scattered and reflected by clouds and aerosols or absorbed in the atmosphere....

2007
JIAN YUAN DENNIS L. HARTMANN ROBERT WOOD

Vertical velocity is used to isolate the effect of large-scale dynamics on the observed radiation budget and cloud properties in the tropics, using the methodology suggested by Bony et al. Cloud and radiation budget quantities in the tropics show well-defined responses to the large-scale vertical motion at 500 hPa. For the tropics as a whole, the ratio of shortwave to longwave cloud forcing (he...

2009
Jeremy S Pal Elfatih A. B Eltahir JONATHAN M. WINTER JEREMY S. PAL ELFATIH A. B. ELTAHIR

A description of the coupling of Integrated Biosphere Simulator (IBIS) to Regional Climate Model version 3 (RegCM3) is presented. IBIS introduces several key advantages to RegCM3, most notably vegetation dynamics, the coexistence of multiple plant functional types in the same grid cell, more sophisticated plant phenology, plant competition, explicit modeling of soil/plant biogeochemistry, and a...

2017
Isabelle Tobin Sandrine Bony Rémy Roca REMY ROCA

Tropical deep convection exhibits complex organization over a wide range of scales. This study investigates the relationships between the spatial organization of deep convection and the large-scale atmospheric state. By using several satellite datasets and reanalyses, and by defining a simple diagnostic of convective aggregation, relationships between the degree of convective aggregation and th...

2010
J. Kuhlmann

The impact of aerosols above and around the Tibetan Plateau on the Asian Summer Monsoon during premonsoon seasons March-April-May 2007, 2008, and 2009 is investigated by means of remote sensing and radiative transfer modelling. Four source regions are found to be responsible for the high aerosol loading around the Tibetan Plateau: the Taklamakan Desert, the Ganges Plains, the Indus Plains, and ...

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