Atmospheric water vapor transport and the hydrology of North America by Eugene M. Rasmusson Download PDF EPUB FB2
The atmospheric water vapor flux and certain aspects of the water balance over the North American Sector are investigated for the period May 1, - April 30, The vertical variation of the flux, as well as the total vertically integrated flux, are investigated from mean monthly data.
The atmospheric water vapor flux over North America and the Central American Sea (Gulf of Mexico and Caribbean Sea) has been investigated for the. Atmospheric water vapor transport and the hydrology of North America.
By Eugene Martin Rasmusson. Get PDF (30 MB) Abstract. Massachusetts Institute of Technology. Dept. of Meteorology. Thesis. the5thsense.comg l. A; 4 blank leaves included in. Enter the password to open this PDF file: Cancel OK.
File name:. ATMOSPHERIC WATER VAPOR TRANSPORT AND THE WATER BALANCE OF NORTH AMERICA LARGE-SCALE WATER BALANCE INVESTIGATIONS EUGENE M.
RASMUSSON Geophysical Fluid Dynamics Laboratory, ESSA, Washington, D.C. ABSTRACT The atmospheric water vapor flux divergence and certain aspects of the water balance of North America are in.
Oct 01, · The atmospheric water vapor flux divergence and certain aspects of the water balance of North America are investigated, using data from the period May 1, –Apr.
30, The mean vertical distribution of flux divergence is computed for the United States for the months of January (, ) and July (, ).Cited by: Two major streams of atmospheric water vapor onto North America are evident: flow from the Pacific Ocean and from the Gulf of Mexico.
The latter source is strongest in the Northern Hemisphere spring (March-May). The transport in the mid-latitude zone is westerly, as the5thsense.com by: Jul 01, · The atmospheric water vapor flux over North America and the Central American Sea (Gulf of Mexico and Caribbean Sea) has been investigated for the period May 1, –April 30,as part of a more general study of the water balance of these the5thsense.com by: mum around 40' N.
Transient eddies transport water vapor northward at all latitudes, and are the dominant meridional transport mechanism north of 20' N. South of 20' N., the low-level mean transport dominates. It becomes apparent, upon examination of &yes 1 and 2, that significant large-scale asymmetries exist in the.
Jan 19, · Atmospheric rivers (ARs) are narrow, elongated, synoptic jets of water vapor that play important roles in the global water cycle and regional weather/hydrology. A technique is developed for objective detection of ARs on the global domain based on characteristics of the integrated water vapor transport (IVT).
The connections between the atmospheric branch and the hydrology of the Earth’s surface were studied with the aid of the divergence fields of mean total water vapour flux and through horizontal and vertical streamfunction the5thsense.com by: The intraseasonal variation of AL is responsible for the subseasonal variability over the pan-North Pacific region.
Atmospheric water vapor transport and atmospheric rivers (ARs) changes associated with the intraseasonal variation of AL are investigated over the North Pacific region for the winters of – in this the5thsense.com by: 1.
Atmospheric water vapor transport and continental hydrology over the Americas Kaye L. Brubaker*, Dara Entekhabi, Peter S. Eagleson Ralph M. Parsons Laboratory, Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MAUSA.
Water vapor transport paths into the American Southwest were deduced from a high temporal resolution record of hydrogen isotope compositions of atmospheric water vapor (δD wv) collected over a six-week period in late spring,at Albuquerque, New Mexico.
Daily fluctuations of δD wv routinely exceeded 20‰ in magnitude, while δDwv variations up to 80‰ occurred on the time Cited by: Dec 01, · Atmospheric rivers (ARs) are narrow, elongated, synoptic jets of water vapor that play important roles in the global water cycle and regional weather/hydrology.
A technique is developed for objective detection of ARs on the global domain based on characteristics of the integrated water vapor transport Cited by: Summary. A study of the mean atmospheric humidity conditions on a planetary scale during the IGY covering the calendar year is presented.
The fields of mean precipitable water content and of the zonal and meridional transports of water vapor are analyzed for the entire the5thsense.com by: The atmospheric water vapor flux divergence and certain aspects of the water balance of Eastern North America are investigated, using data from the period May 1,to Apr.
30, Mean monthly values of evapotranspiration and storage change are computed as residuals, using measured values. Atmospheric River Forecast Products The products are provided “as is” and are intended for research purposes only (disclaimer). This page contains graphics designed to forecast the presence and strength of Atmospheric Rivers using data from the NCEP Global Forecast System (GFS), North American Mesoscale Forecast System (NAM), and Global Ensemble Forecast System (GEFS) models.
Plot Description: Vertically Integrated Water Vapor Transport (IVT) with magnitude shaded in units of kg m -1 s -1, direction indicated by vectors and mean sea level pressure contoured in hPa.
Integrated water vapor (IWV) with magnitude shaded in units of mm, hPa wind vectors, and mean sea level pressure contoured in hPa. Atmospheric rivers, narrow bands of enhanced water vapor transport in the atmosphere, have been associated with extreme rainfall and flooding in some areas, especially western North America.
The term atmospheric river is used to indicate narrow, elongated corridors of concentrated moisture transport associated with extratropical cyclones. Atmospheric rivers are the largest transport mechanisms of freshwater on Earth. This moisture transport occurs. In cases of long-range IVT, such as moisture from a western North Pacific typhoon being drawn poleward along an atmospheric river (AR) toward the west coast of North America, moisture may be transported s of kilometers along a low-level jet before a combination of dynamic and orographic lift results in an EPE.
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Aug 26, · The latter trend is consistent with a long-term increase in vapor transport from the warming North Pacific onto the North American continent. The new catalog provides unprecedented opportunities to study the climate-scale behavior and predictability of ARs affecting western North the5thsense.com by: Abstract All wintertime extreme precipitation and major flooding events in Western Washington are associated with Atmospheric Rivers (ARs), narrow bands of elevated integrated water vapor transport (IVT) stretching from the tropical Pacific Ocean to the Pacific Northwest coast.
Simulation of the hydrologic cycle using atmospheric water vapor transport data. Hydrol., To extract useful hydrologic information from existing meteorological observations, a recently developed simulation procedure for four experimental drainage basins (size ranging from 51, tokm:) of the U.S.A.
is presented in Cited by: 1.  This review was aided by a recent gathering of scientists at the American Geophysical Union Conference on the Role of Water Vapor in the Climate System held in Kona, Hawaii, in October [Sherwood et al., ], although we cannot discuss here the full range of topics related to atmospheric water the5thsense.com by: An atmospheric river (AR) is a narrow corridor or filament of concentrated moisture in the atmosphere.
Other names for this phenomenon are tropical plume, tropical connection, moisture plume, and water vapor surge. Atmospheric rivers consist of narrow bands of enhanced water vapor transport.
Oct 31, · NASA estimates global reach of atmospheric rivers By Preston Dyches, short-lived jets of air that transport water vapor across significant portions of Earth's mid-latitude oceans, onto the continents and into Earth’s polar regions.
The new study is a first attempt to determine how extensively atmospheric rivers affect global hydrology. urgent issues in modern hydrology. Some important components of the global water cycle are now briefly introduced.
•Water vaporis the major absorber in the atmosphere of both short-wave and long-wave radiation. Condensation of water vapor releases a large amount of latent heat (x J/kg), warming the atmosphere, and affecting atmospheric.
An August study spanning seven-decades of data revealed a rising trend in land-falling atmospheric rivers consistent with a long-term warming of the North Pacific, which sends more water vapor to North America. High-resolution climate models report that atmospheric storms linger and become more intense in a warming climate.Apr 23, · A novel diagnostic framework based on the wave activity of column integrated water vapor (CWV) is used to probe into the higher moments of Cited by: 2.shown that, as they approach the west coast of North America, ARs are typically 2, or more kilometers long but only a few hundred kilometers wide (Ralph et al., ).
The air column within a typical AR will contain more than 2 cm of water vapor, with most of that vapor contained in the ﬁrst km above the sea.