Thickness and Transmissivity of the Unconfined Aquifer of Eastern Sussex County, Delaware PDF Download
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Author: A. Scott Andres
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 30
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Book Description
Author: A. Scott Andres
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 30
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Book Description
Author: Delaware Geological Survey
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 30
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Book Description
Author: Lillian T. Wang
Publisher:
ISBN:
Category : Groundwater flow
Languages : en
Pages : 22
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Book Description
Delaware's Inland Bays in southeastern Sussex County are valuable natural resources that have been experiencing environmental degradation since the late 1960s. Stresses on the water resource include land use practices, modifications of surface drainage, ground-water pumping, and wastewater disposal. One of the primary environmental problems in the Inland Bays is nutrient over-enrichment. Nitrogen and phosphorous loads are delivered to the bays by ground water, surface water, and air. Nitrogen loading from ground-water discharge is one of the most difficult to quantify; therefore, locating these discharge areas is a critical step toward mitigating this load to the bays. Landsat 7 imagery was used to identify ground-water discharge areas in Indian River and Rehoboth and Indian River bays in Sussex County, Delaware. Panchromatic, near-infrared, and thermal bands were used to identify ice patterns and temperature differences in the surface water, which are indicative of ground-water discharge. Defining a shoreline specific to each image was critical in order to eliminate areas of the bays that were not representative of open water. Atmospheric correction was not necessary due to low humidity conditions during image acquisition. Ground-water discharge locations were identified on the north shore of Rehoboth Bay (west of the Lewes and Rehoboth Canal), Herring and Guinea creeks, the north shore of Indian River, and the north shore of Indian River Bay near Oak Orchard.
Author: J. M. Denver
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 76
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Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 690
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 96
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Book Description
Author: Kelvin W. Ramsey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 52
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Book Description
Delaware Bay Group deposits consist of bay-margin coarse sand and gravel that fine upward to silt and silty sand. Beds of organic-rich mud were deposited in tidal marshes. Near the present Atlantic Coast, the Delaware Bay Group includes organic-rich muds and shelly muds deposited in lagoonal environments. Assawoman Bay Group deposits range from very fine, silty sands to silty clays with shells deposited in back-barrier lagoons, to fine to coarse, well-sorted sands deposited in barriers and spits. Nanticoke River Group deposits consist of coarse sand and gravel that fine upward to silty clays. Oyster shells are found associated with the clays in the Turtle Branch Formation. Organic-rich clayey silts were deposited in swamps and estuaries. Well-sorted fine sands to gravelly sands were deposited on beaches and tidal flats on the flanks of the ancestral Nanticoke River and its tributaries.
Author: Mary Martin
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 158
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Book Description
Author: Nicholas Lancaster
Publisher: Springer Nature
ISBN: 3030404986
Category : Science
Languages : en
Pages : 342
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Book Description
Inland sand dunes are widespread in North America and are found from the North Slope of Alaska to the Sonoran Desert in northern Mexico and from the Delmarva Peninsula in the east to Southern California in the west. In this edited book, we highlight recent research on areas of inland dunes that span a range from those that are actively accumulating in current conditions of climate and sediment supply to those that were formed in past conditions and are now degraded relict systems. This book will be of interest to researchers and scholars of physical geography, geomorphology, environmental sciences, and earth sciences. Contributions include detailed analyses of individual active dune systems at White Sands, New Mexico; Great Sand Dunes, Colorado; and the Laurentian Great Lakes; as well as the vegetation-stabilized dunes of the Nebraska Sand Hills and the Colorado Plateau. Additional chapters discuss the widespread partially vegetated dune systems of the central and southern Great Plains; the relict dunes of the Atlantic Coastal Plain of the eastern USA; and active and stabilized dunes of the Colorado Plateau and the southwestern deserts of the USA and northern Mexico.
Author: Maryland Geological Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 110
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