Macrohydrology - The new challenge for process hydrology

Research output: Contribution to journalArticle

155 Citations (Scopus)

Abstract

The paper describes an important, new area of hydrological interest, Macrohydrology, and highlights research into large-scale hydrological processes with emphasis on evaporation. It reviews three recent and relevant international experiments, ARME, HAPEX and FIFE, each illustrating different perspectives but all addressing the need to provide a large-scale description of land surface hydrology. Observations from these experiments and the results of recent theoretical studies are used to achieve a better definition of the large-scale aggregation process. The use of a one-dimensional model format is supported, providing this includes a vegetative canopy, and providing model parameters no longer necessarily possess local physical or physiological relevance. The role of mesoscale meteorological processes and of the atmospheric boundary layer (ABL) is discussed around classes of land surface defined with respect to scale and order of their vegetation cover. The existence of an ABL is shown often to simplify, but sometimes to complicate, the synthesis of the aggregate description. In the course of the paper it becomes apparent that remote sensing skills and mesoscale meteorological modelling expertise must now be considered necessary components of process hydrology.

Original languageEnglish (US)
Pages (from-to)31-56
Number of pages26
JournalJournal of Hydrology
Volume100
Issue number1-3
DOIs
StatePublished - Jul 30 1988
Externally publishedYes

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hydrology
land surface
boundary layer
theoretical study
vegetation cover
evaporation
experiment
canopy
remote sensing
modeling
synthesis
troposphere
parameter

ASJC Scopus subject areas

  • Soil Science
  • Earth-Surface Processes

Cite this

Macrohydrology - The new challenge for process hydrology. / Shuttleworth, W. James.

In: Journal of Hydrology, Vol. 100, No. 1-3, 30.07.1988, p. 31-56.

Research output: Contribution to journalArticle

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