Publications
Click below for access to more than 170,000 publications written by USGS scientists over the century-plus history of the bureau.
Filter Total Items: 756
Groundwater resources of Ribeira Fajã basin, island of São Nicolau, Cape Verde, West Africa
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater availa
Authors
Victor M. Heilweil, Stephen B. Gingerich, Niel Plummer, Ingrid M. Verstraeten
Groundwater resources of Ribeira Paúl basin, island of Santo Antão, Cape Verde, West Africa
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater availa
Authors
Victor M. Heilweil, Stephen B. Gingerich, Ingrid M. Verstraeten
Groundwater resources of Mosteiros basin, island of Fogo, Cape Verde, West Africa
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater availa
Authors
Victor M. Heilweil, Stephen B. Gingerich, Niel Plummer, Ingrid M. Verstraeten
Efficacy of a commercial canarypox vaccine for protecting Hawai'i 'Amakihi from field isolates of avipoxvirus
At least three variants of avian pox virus are present in Hawai’i - Fowlpox from domestic poultry and a group of genetically distinct viruses that cluster within two clades (Pox Variant 1 and Pox Variant 2) that are most similar to Canarypox based on DNA sequence of the virus 4b core protein gene. We tested whether Hawai’i ‘Amakihi can be protected from wild virus isolates with an attenuated live
Authors
Carter T. Atkinson, Kimberly C. Wiegand, Dennis Triglia, Susan I. Jarvi
Hawaii StreamStats: A web application for defining drainage-basin characteristics and estimating peak-streamflow statistics
Reliable estimates of the magnitude and frequency of floods are necessary for the safe and efficient design of roads, bridges, water-conveyance structures, and flood-control projects and for the management of flood plains and flood-prone areas. StreamStats provides a simple, fast, and reproducible method to define drainage-basin characteristics and estimate the frequency and magnitude of peak disc
Authors
Sarah N. Rosa, Delwyn S. Oki
Rainfall, discharge, and water-quality data during stormwater monitoring, H-1 storm drain, Oahu, Hawaii, July 1, 2009, to June 30, 2010
Storm runoff water-quality samples were collected as part of the State of Hawaii Department of Transportation Stormwater Monitoring Program. The program is designed to assess the effects of highway runoff and urban runoff collected by the H-1 storm drain on the Manoa-Palolo Drainage Canal. This report summarizes rainfall, discharge, and water-quality data collected between July 1, 2009, and June 3
Authors
Todd K. Presley, Marcael T. J. Jamison
Limiting factors of four rare plant species in `Ōla`A Forest of Hawai'i Volcanoes National Park
Three endangered or candidate endangered plant species native to `Ōla`a Forest (Cyrtandra giffardii, ha`iwale; Phyllostegia floribunda, a mint with no common name; and Sicyos alba, `ānunu) were studied for more than 2 years to determine their stand structures, short-term mortality rates, patterns of reproductive phenology, success of fruit production, seed germination rates in the greenhouse, pres
Authors
Joshua R. VanDeMark, Linda W. Pratt, Melody Euaparadorn
Survival of feral cats, Felis catus (Carnivora: Felidae), on Mauna Kea, Hawai'i, based on tooth cementum lines
Feral cats (Felis catus) have spread throughout anthropogenic and insular environments of the world. They now threaten many species of native wildlife with chronic depredation. Knowledge of feral cat population dynamics is necessary to understand their ecological effects and to develop effective control strategies. However, there are few studies worldwide regarding annual or lifetime survival rate
Authors
Raymond M. Danner, Chris Farmer, Steven C. Hess, Robert M. Stephens, Paul C. Banko
Changes in prevalence of avian malaria on the Alakai`i Plateau, Kaua`i. Hawai`i
We determined prevalence of malarial infections in samples of native and non-native forest birds that were sampled at three locations on the Alaka`i Plateau between 1994-1997 and again between 2007-2009. The three sites spanned the elevational range of the plateau and were located at Kawaikōī Stream (1100 m), the upper drainage of Mōhihi Stream (1250 m) and the vicinity of Halepa`akai Stream near
Authors
Carter T. Atkinson, Ruth B. Utzurrum
Flood-frequency estimates for streams on Kauai, Oahu, Molokai, Maui, and Hawaii, State of Hawaii
This study provides an updated analysis of the magnitude and frequency of peak stream discharges in Hawai`i. Annual peak-discharge data collected by the U.S. Geological Survey during and before water year 2008 (ending September 30, 2008) at stream-gaging stations were analyzed. The existing generalized-skew value for the State of Hawai`i was retained, although three methods were used to evaluate w
Authors
Delwyn S. Oki, Sarah N. Rosa, Chiu W. Yeung
A summary of information on the rust Puccinia psidii Winter (guava rust) with emphasis on means to prevent introduction of additional strains to Hawaii
The neotropical rust fungus Puccinia psidii(P. psidii) was originally described from the host common guava in its native Brazil but has been found since on hosts throughout the myrtle family (Myrtaceae), including a dramatic host jump to nonnative Eucalyptus plantations. Most rust fungi are able to live only on a very narrow range of host species. P. psidii is unusual both for having a broad host
Authors
Lloyd Loope