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Integrated watershed management plan...

Cox, Christopher Anthony.

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Integrated watershed management planning for St. Lucia.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Integrated watershed management planning for St. Lucia./
作者:	Cox, Christopher Anthony.
面頁冊數:	382 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0304.
Contained By:	Dissertation Abstracts International65-01B.
標題:	Engineering, Agricultural. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ88443
ISBN:	0612884430

Integrated watershed management planning for St. Lucia.
Cox, Christopher Anthony.

Integrated watershed management planning for St. Lucia. - 382 p.

Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0304.

Thesis (Ph.D.)--McGill University (Canada), 2003.

A decision support framework (DSF) to guide watershed management planning in St. Lucia was developed. The DSF, supported by three components, integrated physiographic criteria in spatially defining sustainable land management regimes, crop suitability based on agro-ecologic zoning criteria, and water quality modelling tools.

ISBN: 0612884430Subjects--Topical Terms:

1019504
Engineering, Agricultural.

Integrated watershed management planning for St. Lucia.
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245 1 0 $a Integrated watershed management planning for St. Lucia.
300 $a 382 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0304.
500 $a Adviser: Chandra Madramootoo.
502 $a Thesis (Ph.D.)--McGill University (Canada), 2003.
520 $a A decision support framework (DSF) to guide watershed management planning in St. Lucia was developed. The DSF, supported by three components, integrated physiographic criteria in spatially defining sustainable land management regimes, crop suitability based on agro-ecologic zoning criteria, and water quality modelling tools.
520 $a In the first component, a methodology for agricultural and forestry land management zoning based on decision-rule frameworks was developed, employing GIS-based spatial multiple-criteria integration techniques. Land capability, recommended land management regimes, crop suitability and broad agricultural/forestry land utilization type zones were derived for the country. Sixteen broad agricultural and forestry land utilization types (LUTs) based on FAO agro-ecologic zoning guidelines were spatially defined over the island. These LUT zones represent relative suitability for rain-fed annual and perennial crop production, grazing and forestry.
520 $a In the second component, field research to quantify rainfall, runoff and erosion from two small watersheds under contrasting land management regimes was undertaken. Over the study period the erosion rate from an intensively cultivated, degraded agricultural watershed was 20 times that of a completely forested watershed. SCS curve numbers were evaluated for both watersheds based on rainfall-runoff relationships.
520 $a The third component demonstrated the application of a distributed-parameter hydrologic/water quality model, AnnAGNPS, in land management scenario evaluation, in terms of runoff and soil erosion. Data from the second component were used to calibrate and validate the model in simulation of daily runoff and erosion losses from the two watersheds over the study period. The model generally performed better in runoff simulation for the agricultural watershed compared to the forested watershed. Average annual erosion rates under current land management regimes were estimated at 73.3 and 7.2 t/ha for the agricultural and forested watersheds respectively. The model was applied to simulate runoff and erosion losses from the agricultural watershed under alternative sustainable land management regimes derived in the first component. Simulated average annual erosion losses were reduced to 9.2 t/ha.
520 $a This study demonstrated the application of efficient and powerful computer-based tools in the development of a decision support framework for watershed management planning for small islands.
590 $a School code: 0781.
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650 4 $a Environmental Sciences. $3 676987
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710 2 0 $a McGill University (Canada). $3 1018122
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790 1 0 $a Madramootoo, Chandra, $e advisor
790 $a 0781
791 $a Ph.D.
792 $a 2003
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