The hydrological cycle and its influence on climate

Article Abstract:

The paucity of quantitative information about the hydrological cycle is the chief barrier to better comprehension of how this cycle affects climate. The hydrological cycle involves the movement of water in the oceans, atmosphere and biosphere. Overcoming the current lack of knowledge will require innovative instruments, new techniques for gathering data and the synthesis of previously separate scientific disciplines. The new combined research effort should focus on clouds, radiation, atmospheric humidity, precipitation, ocean fluxes, land surface processes and data from space.

Cover Story, Hydrologic cycle, Water cycle

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Evidence for human influence on climate from hemispheric temperature relations

Article Abstract:

There is growing evidence that some of the Earth's temperature increase is attributed to the concentration of greenhouse gases. However it is difficult to interpret the results of studies of global temperatures. A standard econometric time-series criteria for model selection is used to alleviate such difficulties. The results show that human activity has played a part in the historical record of temperature.

Measuring & controlling devices, not elsewhere classified, Other Measuring and Controlling Device Manufacturing, Temperature Indicators NEC, Temperature measuring instruments, Temperature

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Better climate data required

Article Abstract:

Issues are presented concerning the lack of uniformity in the nature of the climatic data supplied globally to the Intergovernmental Panel on Climate Change. The need to increase the accuracy of the climatic models produced is discussed.

Editorial, Surveys, Global warming, Intergovernmental Panel on Climate Change

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