The Interaction Between Downslope Flow and Trade-Wind Showers Over the Island of Hawaii During 7-8 August 1990 PDF Download
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Author: Jeffrey L. Frye Publisher: ISBN: 9781423583394 Category : Hawaii Languages : en Pages : 105
Book Description
Data from the Hawaiian Rainband Project (HaRP) are used to study the interaction between downslope flow and trade-wind showers over windward sections of the island of Hawaii on 7-8 August 1990. Large-scale conditions produce strong upstream trade-winds of 11 m s-1 which are among the strongest observed during HaRP. In addition, frequent trade-wind showers are responsible for the largest precipitation accumulation between 0300-0700 HST over windward Hawaii during HaRP. The evolution of downslope flow and its interaction with the trade- wind showers under these conditions will be studied in detail. The initiation of downslope flow occurs under dry conditions on the upper slopes by radiative cooling, and then progresses downslope until it arrives over windward lowlands. Here the downslope flow transition is held up by the strong trade winds occurring at the coast. Downslope flow is finally observed over the coast only after a band of rainshowers produces evaporative cooling allowing downslope winds to extend offshore. The evolution of downslope flow afterwards is affected by rainshowers. Vertical mixing associated with rainshowers transports trade- wind momentum into the weak downslope flow layer, replacing westerly winds with strong easterly winds. At the surface, a clear increase in temperature and moist static energy is observed as potentially warmer air aloft mixes with the surface layer. This temporary destruction of downslope flow produces an oscillation of the drainage front from 5-8 km offshore to 10 km inland.
Author: Jeffrey L. Frye Publisher: ISBN: 9781423583394 Category : Hawaii Languages : en Pages : 105
Book Description
Data from the Hawaiian Rainband Project (HaRP) are used to study the interaction between downslope flow and trade-wind showers over windward sections of the island of Hawaii on 7-8 August 1990. Large-scale conditions produce strong upstream trade-winds of 11 m s-1 which are among the strongest observed during HaRP. In addition, frequent trade-wind showers are responsible for the largest precipitation accumulation between 0300-0700 HST over windward Hawaii during HaRP. The evolution of downslope flow and its interaction with the trade- wind showers under these conditions will be studied in detail. The initiation of downslope flow occurs under dry conditions on the upper slopes by radiative cooling, and then progresses downslope until it arrives over windward lowlands. Here the downslope flow transition is held up by the strong trade winds occurring at the coast. Downslope flow is finally observed over the coast only after a band of rainshowers produces evaporative cooling allowing downslope winds to extend offshore. The evolution of downslope flow afterwards is affected by rainshowers. Vertical mixing associated with rainshowers transports trade- wind momentum into the weak downslope flow layer, replacing westerly winds with strong easterly winds. At the surface, a clear increase in temperature and moist static energy is observed as potentially warmer air aloft mixes with the surface layer. This temporary destruction of downslope flow produces an oscillation of the drainage front from 5-8 km offshore to 10 km inland.
Author: Herbert Riehl Publisher: ISBN: Category : Nature Languages : en Pages : 634
Book Description
Wind systems of the tropics. Radiation temperature and humidity. Precipitation and evaporation. Vertical energy transfer. The trade wind inversion. Diurnal and local controle. Weather observation and analyses. Synoptic scale weather systems. Tropical cyclones structure and mechanics. Tropical cyclones formation and movement. Numerical hurricane prediction by Ferdinand Baer. The general circulation.
Author: M. Bonell Publisher: Cambridge University Press ISBN: 9780521829533 Category : Nature Languages : en Pages : 960
Book Description
Forests, Water and People in the Humid Tropics is the most comprehensive review available of the hydrological and physiological functioning of tropical rain forests, the environmental impacts of their disturbance and conversion to other land uses, and optimum strategies for managing them. The book brings together leading specialists in such diverse fields as tropical anthropology and human geography, environmental economics, climatology and meteorology, hydrology, geomorphology, plant and aquatic ecology, forestry and conservation agronomy. The editors have supplemented the individual contributions with invaluable overviews of the main sections and provide key pointers for future research. Specialists will find authenticated detail in chapters written by experts on a whole range of people-water-land use issues, managers and practitioners will learn more about the implications of ongoing and planned forest conversion, while scientists and students will appreciate a unique review of the literature.
Author: Richard John Huggett Publisher: Routledge ISBN: 1135281130 Category : Science Languages : en Pages : 909
Book Description
This extensively revised, restructured, and updated edition continues to present an engaging and comprehensive introduction to the subject, exploring the world’s landforms from a broad systems perspective. It covers the basics of Earth surface forms and processes, while reflecting on the latest developments in the field. Fundamentals of Geomorphology begins with a consideration of the nature of geomorphology, process and form, history, and geomorphic systems, and moves on to discuss: structure: structural landforms associated with plate tectonics and those associated with volcanoes, impact craters, and folds, faults, and joints process and form: landforms resulting from, or influenced by, the exogenic agencies of weathering, running water, flowing ice and meltwater, ground ice and frost, the wind, and the sea; landforms developed on limestone; and landscape evolution, a discussion of ancient landforms, including palaeosurfaces, stagnant landscape features, and evolutionary aspects of landscape change. This third edition has been fully updated to include a clearer initial explanation of the nature of geomorphology, of land surface process and form, and of land-surface change over different timescales. The text has been restructured to incorporate information on geomorphic materials and processes at more suitable points in the book. Finally, historical geomorphology has been integrated throughout the text to reflect the importance of history in all aspects of geomorphology. Fundamentals of Geomorphology provides a stimulating and innovative perspective on the key topics and debates within the field of geomorphology. Written in an accessible and lively manner, it includes guides to further reading, chapter summaries, and an extensive glossary of key terms. The book is also illustrated throughout with over 200 informative diagrams and attractive photographs, all in colour.
Author: World Meteorological Organization Publisher: ISBN: Category : Flood forecasting Languages : en Pages : 294
Book Description
The manual describes procedure for estimating the maximum probable precipitation and the maximum probable flood. This is the third revised version. The first and second editions of this manual were published in 1973 and 1986, respectively. The current edition keeps a majority of the content from the second edition. Newly added content in this third edition primarily results from experiences, since 1986, in directly estimating PMP for the requirements of a given project in a design watershed on probable maximum flood (PMF) in China, the United States of America, Australia and India.--Publisher's description.
Author: Sean D. Willett Publisher: Geological Society of America ISBN: 0813723981 Category : Science Languages : en Pages : 464
Book Description
"The Liwu River runs a short course; its channel head at the water divide in Taiwan's Central Range is a mere 35 km from its outflow into the Pacific Ocean. But in those short 35 km, the Liwu has carved one of the world's geographic wonders: the spectacular Taroko Gorge with marble and granite walls soaring nearly 1000 m above the river channel. Taroko Gorge was a fitting venue for a 2003 Penrose Conference that addressed the coupled processes of tectonics, climate, and landscape evolution. The young mountains, extreme weather, and dramatic landforms provided an appropriate backdrop to wide-ranging discussions of geomorphic processes, climate and meteorology, sediment generation and transport, the effects of erosion on tectonics, and new analytical and modeling tools used to address these processes and problems. This volume's papers extend that discussion, reaching across fields that have experienced rapid advances in the past decade."--Publisher's website.
Author: Jeffrey L. Frye
Author: Jeffrey L. Frye
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Author: 
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Author: Herbert Riehl
Author: M. Bonell
Author: Richard John Huggett
Author: Colin S. Ramage
Author: World Meteorological Organization
Author: Sean D. Willett