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Thursday, February 6, 2020 | History

2 edition of Atmospheric water vapor transport and the hydrology of North America found in the catalog.

Atmospheric water vapor transport and the hydrology of North America

Eugene M. Rasmusson

Atmospheric water vapor transport and the hydrology of North America

  • 57 Want to read
  • 15 Currently reading

Published in Cambridge, Mass .
Written in English

    Places:
  • North America.
    • Subjects:
    • Moisture -- North America.,
    • Hydrology -- North America.

    • Edition Notes

      Statementby Eugene M. Rasmusson.
      SeriesMassachusetts Institute of Technology. Planetary Circulations Project. Report, no. A1, Report (Massachusetts Institute of Technology. Planetary Circulations Project) ;, no. A1.
      Classifications
      LC ClassificationsQC851 .M134 no. A1
      The Physical Object
      Paginationxix, 170, A118 p.
      Number of Pages170
      ID Numbers
      Open LibraryOL4538541M
      LC Control Number77004753

      General Information: Spatial resolution: 0. Figure 4 shows some of the different types of observational systems, while Table 1 compares some of their characteristics. Figure 2 is a result of such an effort. The study authors found that globally, precipitation from atmospheric rivers contributes 22 percent of the total water that flows across Earth's land surfaces.

      They regulate the amount of sunlight received by the surface and so influence evaporation from the surface, which in turn influences cloud formation. CrossRef Google Scholar Copyright information. Netflux: Outflux - Influx, the net evaporation or precipitation in the region. The positive values indicate the reverse. The hydrological cycle describes the movement of water, in all three phases, within and between the Earth's atmosphere, oceans, and continents. The mechanics by which convective cloud systems transport water vapor vertically in the atmosphere are poorly understood.

      Explain the hydroclimatic significance of the seasonal occurrence of precipitation, and the general equator to pole pattern of precipitation seasonality. Credit: NASA's Scientific Visualization Studio A recent study by NASA and several partners has estimated, for the first time, the global impact of atmospheric rivers on floods and droughts, as well as the number of people affected by these atmospheric phenomena. To date, most large-scale water vapor climatological studies have relied primarily on analysis of radiosonde data, which have good resolution in the lower troposphere in populated regions but are of limited value at high altitude and are lacking over remote oceanic regions. Compare the water balances for the Atlantic Ocean and the Pacific Ocean. The data are influenced by high clouds. Google Scholar Harris, R.


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Atmospheric water vapor transport and the hydrology of North America by Eugene M. Rasmusson Download PDF Ebook

To open the results table make the project window atmobal. Summary The climate of Earth is able to support life in large part because of the atmospheric greenhouse effect and the workings of the hydrological cycle.

The saturation vapor pressure over a curved surface, such as a cloud droplet, is greater than that over a flat surface, and the saturation vapor pressure over pure water is greater than that over water with a dissolved solute.

As ratios of masses, both specific humidity and mixing ratio are dimensionless numbers. The hydrologic cycle is strongly influenced by the nature of the Atmospheric water vapor transport and the hydrology of North America book of the Earth. Thus an understanding of the mechanisms distributing water vapor through the atmosphere and of water vapor's effects on atmospheric radiation and circulation is vital to estimating long-term changes in climate.

With a growing scientific consensus on the existence of CO2-induced greenhouse warming comes an increasing level of concern about how this climatic change will affect the terrestrial water cycle. The pattern of water vapor changes with the seasonal changes in temperature and atmospheric circulation patterns.

It is generally agreed that improved knowledge of the role of water vapor in the climate system hinges largely on closing observational gaps that currently exist. Red indicates the fastest warming rate. The average precipitation over the globe is about 1 m annually, so there must be a rapid turnover of water in the air; the average water molecule spends about 9 days in the air before precipitating back to the surface.

Water vapor transport is an important factor in the determination of global climate. The Climatology Of Atmospheric Water Vapor The weight of the atmosphere's water vapor contributes only about one quarter of one percent of the total sea level pressure of all the gases.

The resulting vertical fluxes by transient eddies show the great importance of cumulus convection in the tropics for the atmospheric circulation.

The resulting net flux and through flux are shown below: You can see the periods of intense atmospheric flow in the through flux line.

The rather high positive atmospheric moisture flow during dry periods suggests that when precipitation ceases, evaporation increases significantly.

Figure 4 shows some of the different types of observational systems, while Table 1 compares some of their characteristics. Google Scholar Newton, C. Pura e Appl. You can now get information on each of the lines by clicking on them.The GHRC archives and distributes a variety of ongoing research data products containing precipitation and related atmospheric parameters such as atmospheric water vapor.

The GHRC DISCOVER (Distributed Information Services for Climate and Ocean Products and Visualizations for Earth Research) project, funded by NASA’s MEaSUREs program, generates a suite of inter-related.

Atmospheric Rivers

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.

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.ATMOSPHERIC Pdf 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.MIDTERM EXAM - SAMPLE QUESTIONS.

Describe the role of atmospheric circulation in explaining seasonal changes in atmospheric water vapor over North America. Describe the reason or reasons, based on a comparison of latitudinal zones, underlying the need for atmospheric transport of water vapor.The term atmospheric river is used to indicate narrow, ebook corridors of concentrated moisture transport associated with extratropical cyclones.

Atmospheric rivers are the largest transport mechanisms of freshwater on Earth. This moisture transport occurs .