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Articles 1 - 5 of 5
Full-Text Articles in Hydrology
Changing Climate And The Altitudinal Range Of Avian Malaria In The Hawaiian Islands – An Ongoing Conservation Crisis On The Island Of Kaua`I, Carter T. Atkonson, Ruth B. Utzurrum, Dennis A. Lapointe, Richard J. Camp, Lisa H. Crampton, Jeffrey T. Foster, Thomas W. Giambelluca
Changing Climate And The Altitudinal Range Of Avian Malaria In The Hawaiian Islands – An Ongoing Conservation Crisis On The Island Of Kaua`I, Carter T. Atkonson, Ruth B. Utzurrum, Dennis A. Lapointe, Richard J. Camp, Lisa H. Crampton, Jeffrey T. Foster, Thomas W. Giambelluca
Richard J. Camp
Transmission of avian malaria in the Hawaiian Islands varies across altitudinal gradients and is greatest at elevations below 1500 m where both temperature and moisture are favorable for the sole mosquito vector, Culex quinquefasciatus, and extrinsic sporogonic development of the parasite, Plasmodium relictum. Potential consequences of global warming on this system have been recognized for over a decade with concerns that increases in mean temperatures could lead to expansion of malaria into habitats where cool temperatures currently limit transmission to highly susceptible endemic forest birds. Recent declines in two endangered species on the island of Kaua’i, the ‘Akikiki (Oreomystis bairdi) …
Climate Change Adaptation Chapter: Marshfield, Massachusetts, Joshua H. Chase, Jonathan G. Cooper, Rory Elizabeth Fitzgerald, Filipe Antunes Lima, Sally R. Miller, Toni Marie Pignatelli
Climate Change Adaptation Chapter: Marshfield, Massachusetts, Joshua H. Chase, Jonathan G. Cooper, Rory Elizabeth Fitzgerald, Filipe Antunes Lima, Sally R. Miller, Toni Marie Pignatelli
Sally Miller
Climate change, understood as a statistically significant variation in the mean state of the climate or its variability, is the greatest environmental challenge of this generation (Intergovernmental Panel on Climate Change, 2001). Marshfield is already being affected by changes in the climate that will have a profound effect on the town’s economy, public health, coastal resources, natural features, water systems, and public and private infrastructure. Adaptation strategies have been widely recognized as playing an important role in improving a community’s ability to respond to climate stressors by resisting damage and recovering quickly. Based on review of climate projections for the …
Evaluation Of Fresh-Water Resources At The Line Hole Wellfield Using Electrical Resistivity Tomography, Scot A. Russell, Lee J. Florea, Chasity L. Stinson
Evaluation Of Fresh-Water Resources At The Line Hole Wellfield Using Electrical Resistivity Tomography, Scot A. Russell, Lee J. Florea, Chasity L. Stinson
Lee J Florea, PhD, P.G.
A major economic constraint in the Bahamas, and other small carbonates islands world-wide, is the lack of fresh water resources. To better address socio-economic problems on San Salvador Island, the Bahamas, I sought to gain a more detailed understanding of the extent, behavior, and controls on the island’s fresh-water lens using DC electrical resistivity tomography and time-series geochemical data from the Line Hole well field, an inactive source water supply last used in December of 2006. Electrical resistivity profiles were used to image the extent and geologic framework of the fresh water lens in this coastal setting. Time-series geochemical data …
Altered Hydrology In Connecticut Watersheds Prioritized For Protection, Denise Burchsted
Altered Hydrology In Connecticut Watersheds Prioritized For Protection, Denise Burchsted
Denise Burchsted
The Nature Conservancy (TNC) has selected the Saugatuck, Salmon, Eight Mile, Mount Hope / Natchaug, and Hollenbeck River watersheds for priority protection in Connecticut. A number of threats, including altered hydrology, have been identified in these watersheds. This project has been designed to better understand that threat and provide some context for future protection or restoration of the hydrology within those watersheds. The definition of altered hydrology is problematic, as the time at which the watersheds are considered unaltered is ambiguous and historic data is often unavailable. In order to address that difficulty, this project used the following approach: 1. …
The Effect Of Water Level Management On The Soils And Vegetation Of Two Coastal Louisiana Marshes, Brian J. Wilsey, K. M. Flynn, I. A. Mendelssohn
The Effect Of Water Level Management On The Soils And Vegetation Of Two Coastal Louisiana Marshes, Brian J. Wilsey, K. M. Flynn, I. A. Mendelssohn
Brian J. Wilsey
Wetland degradation and loss is the result of a combination of natural causes and anthropogenic activities and is a serious problem in coastal Louisiana, where approximately 80% of the total US coastal wetland loss since the 1930’s has occurred. One method currently used to address this wetland loss problem is structural marsh management,which is the use of levees and water control structures to control hydroperiod. The effects of structural marsh management on two managed marshes in Southern Louisiana (Unit 4 of the Rockefeller Wildlife Refuge and the Fina LaTerre Mitigation Bank) were evaluated by comparing the soils and the dominant …