Historical Agriculture And Soil Erosion In The Upper Mississippi Valley Hill Country - Trimble Stanley W. | Libro Crc Press 11/2012 - HOEPLI.it


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trimble stanley w. - historical agriculture and soil erosion in the upper mississippi valley hill country

Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country




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Dettagli

Genere:Libro
Lingua: Inglese
Editore:

CRC Press

Pubblicazione: 11/2012
Edizione: 1° edizione





Note Editore

"This thought-provoking book demonstrates how processes of landscape transformation, usually illustrated only in simplified or idealized form, play out over time in real, complex landscapes. Trimble illustrates how a simple landscape disturbance, generated in this case by agriculture, can spread an astonishing variety of altered hydrologic and sedimentation processes throughout a drainage basin. The changes have spatial and temporal patterns forced on them by the distinctive topographic structure of drainage basins.

"Through painstaking field surveys, comparative photographic records, careful dating, a skillful eye for subtle landscape features, and a geographer’s interdisciplinary understanding of landscape processes, the author leads the reader through the arc of an instructive and encouraging story. Farmers—whose unfamiliarity with new environmental conditions led initially to landscape destruction, impoverishment, and instability—eventually adapted their land use and settlement practices and, supported by government institutions, recovered and enriched the same working landscape.

"For the natural scientist, Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country illustrates how an initially simple alteration of land cover can set off a train of unanticipated changes to runoff, erosion, and sedimentation processes that spread through a landscape over decades—impoverishing downstream landscapes and communities. Distinct zones of the landscape respond differently and in sequence. The effects take a surprisingly long time to spread through a landscape because sediment moves short distances during storms and can persist for decades or centuries in relatively stable forms where it resists further movement because of consolidation, plant reinforcement, and low gradients.

"For the social scientist, the book raises questions of whether and how people can be alerted early to their potential for environmental disturbance, but also for learning and adopting restorative practices. Trimble’s commitment to all aspects of this problem should energize both groups."
—Professor Thomas Dunne, Bren School of Environmental Science and Management, UC Santa Barbara





Sommario

The Physical Region and Primeval Landscape
Physiography
Climate
Vegetation and Soils
Streams
Conclusion
European Settlement and Changes of Land Use
Early Settlement
Overview of Historical Agriculture in the Region
Historical Crops and Other Agricultural Land Use
Crops
Grazing and Animal Husbandry
Land Use Management from the Time of Settlement to the 1930s
A Revolution in Agricultural Land Management
Conservation Agencies
The Continuing Soil Conservation Revolution
A Composite of Erosive Land Use over the Historical Period
The Systematic Effects of Historical Agriculture on the Physical Landscape
The Role of Modified Hydrology (In Particular, the Role of Rills and Gullies)
Increasing Hydrologic Change and Soil Erosion in the Hill Country
Effects of Soil Conservation on the Physical Landscape
Sediment Budgets over the Historical Period
Zones of Physical Processes within Stream Basins of the Hill Country
Tributaries
Upper Main Valley (UMV)
Lower Main Valley (LMV)

Stream Erosion of High Terraces and High Banks
Upland Gully Erosion and its Effects
Hillside Gullies and Their Fans
The Appleby Farm
The Zink Farm

High Terrace Gullies and Their Fans
The Buffalo and Black River Terraces
Proksch Coulee
Ratz Gully
The Peterson Event

The Tributaries: Zone of Early, Complex Changes of Process and Form
Villages
Fairwater, Minnesota
Similar Villages

Other Locations and Functions
Farms and Farmsteads
Roads, Railroads, Bridges, and Communication Lines
Mills, Reservoirs, and Water Power
Fish Habitat

The Upper Main Valleys: Zone of Later Complex Changes of Process and Form
Villages
Elba, Minnesota
Coon Valley, Wisconsin
Freeburg, Minnesota

Farms and Farmsteads
The Lower Main Valleys: Zone of Perennial Sedimentation
Villages and Towns
Chaseburg, Wisconsin
Beaver and Whitewater Falls, Minnesota
Soldiers Grove and Gays Mills, Wisconsin
Galena, Illinois and Potosi, Wisconsin
Elkport and Garber, Iowa
Village Creek, Iowa
Ion, Iowa
Rushford, Minnesota
Arcadia, Wisconsin

Farms and Farmsteads of the LMV
Roads, Bridges, and Communication Lines
Mills and Reservoirs
The Great Flood of August 2007 and its Implications
The Storm
Mass Movements
Upland Slopes
Gullies
Tributaries
Upper Main Valley
Lower Main Valley
Sediment Yield or Efflux
Conclusions
Conclusions
Index







Autore

Stanley W. Trimble, Professor Emeritus at UCLA, was a research hydrologist with the USGS 1973-1984. He is the author of Man Induced Erosion on the Southern Piedmont (SWCS, 1974, 2008), editor of Encyclopedia of Water Science (CRC, 2008) and co-author (with Andrew Ward) of Environmental Hydrology (CRC, 2004). He was co-editor of Catena, 1996-2006.








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Altre Informazioni

ISBN:

9781466555747

Condizione: Nuovo
Dimensioni: 10 x 7 in Ø 1.55 lb
Formato: Copertina rigida
Illustration Notes:212 b/w images and 1 table
Pagine Arabe: 290






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