3,891 Works

Identifying coral reef resilience potential in Tutuila, American Samoa based on NOAA coral reef monitoring data

Brett Schumacher, Bernardo Vargas-Ángel & Scott Fraser Heron

Investigation of intra-seasonal to multi-decadal variability in South Florida rainfall

Alberto M. Mestas-Nũnez & David B. Enfield
We investigated different climatic factors affecting South Florida (climate divisions 4, 5 and 6) precipitation. The climatic indexes used here are based on over a century of global sea surface temperature anomalies. The climatic associations are studied for different seasons and in three frequency bands (intra-seasonal, inter-annual and decadal). We found that the known ENSO relationship for winter/spring (wetter than normal South Florida rainfall anomalies during El Niño) does not hold during the summer. We...

Are the 2012 allocations of gag, red, and black grouper in the Gulf of Mexico economically efficient?

Juan J. Agar &
This report investigates the economic efficiency of the current allocation of red, gag and black grouper between the commercial and recreational fishing sectors in the Gulf of Mexico. Our results suggest that the 2012 allocations are not economically efficient because the willingness to pay for an additional unit of quota differs between these sectors. However, the magnitude of the reallocation and the extent to which societal benefits can be increased can only be confidently determined...

GSICS quarterly. Volume 2, number 1 (2008)

Global Space-Based Inter-Calibration System Coordination Center
GSICS Quarterly is a newsletter designed to communicate GSICS activities to all GSICS members and partners, as well as to satellite data users and policy makers

GSICS quarterly. Volume 3, number 1 (2009)

Global Space-Based Inter-Calibration System Coordination Center
GSICS Quarterly is a newsletter designed to communicate GSICS activities to all GSICS members and partners, as well as to satellite data users and policy makers

GSICS quarterly. Volume 4, number 1 (2010)

Global Space-Based Inter-Calibration System Coordination Center
GSICS Quarterly is a newsletter designed to communicate GSICS activities to all GSICS members and partners, as well as to satellite data users and policy makers

GSICS quarterly. Volume 4, number 3 (2010)

Global Space-Based Inter-Calibration System Coordination Center

GSICS quarterly. Volume 4, number 4 (2010)

Global Space-Based Inter-Calibration System Coordination Center
GSICS Quarterly is a newsletter designed to communicate GSICS activities to all GSICS members and partners, as well as to satellite data users and policy makers

GSICS quarterly. Volume 5, number 2 (2011)

Global Space-Based Inter-Calibration System Coordination Center
GSICS Quarterly is a newsletter designed to communicate GSICS activities to all GSICS members and partners, as well as to satellite data users and policy makers

Report of a GCFI workshop

Nancie Cummings, Mandy Karnauskas, William L. Michaels & Alejandro Acosta
A special theme session and workshop on data-limited assessment methods were held at the 66th annual conference of the Gulf and Caribbean Fisheries Institute (GCFI) in Corpus Christi, Texas during November 4-8, 2013. Contributors to the GCFI special session provided presentations on a variety of analytical approaches that can be applied to data-limited stock assessments of living marine resources in the wider Caribbean region, and other similarly under-sampled locales (Executive Summary)

Final report for the Assessment Methods Working Group summarizing the Domestic Shark P* Standardization Workshop

Dean L. Courtney, Enric Cortés & Xinsheng Zhang
A three day workshop was held June 11–13, 2013 in Panama City, Fla. to investigate P* statistical analysis techniques for use in age-structured stock assessments of U.S. domestic shark stocks managed under the consolidated Atlantic Highly Migratory Species (HMS) Fisheries Management Plan (FMP) (Appendix A). The workshop proceedings are summarized in this report. During the workshop, several shortcuts to published P* approaches were discussed that are currently being implemented or evaluated within the framework of...

World ocean database 2013.

Timothy P. Boyer, John I. Antonov, Olga K. Baranova, Hernan E. Garcia, Daphne R. Johnson, Alexey V. Mishonov, Todd D. O'Brien, Dan Seidov, , Melissa M. Zweng, Christopher R. Paver, Ricardo A. Locarnini, James R. Reagan, Carla Coleman & Alexandra Grodsky
The oceanographic databases described by this atlas series expands on the World Ocean Database 2009 (WOD09) product and its predecessors. We have expanded by including substantial amounts of both recent and historical data not previously available. Earlier NODC/WDC oceanographic databases, and products derived from these databases, have proven to be of great utility to the international oceanographic, climate research, and operational environmental forecasting communities. In particular, the objectively analyzed fields of temperature and salinity derived...

World ocean database 2013, user's manual. Version 2.0

Daphne R. Johnson, Timothy P. Boyer, Olga K. Baranova, Hernan E. Garcia & Melissa M. Zweng
WOD13 user's manual provides a full documentation for accessing, reading, and using WOD13 data.

Observer coverage of the 2013 Gulf of Mexico skimmer trawl fishery

Jeffrey R. Pulver, Elizabeth Scott-Denton & Jo A. Williams
The specific objectives of this paper are to: 1) summarize trip, vessel, environmental, and gear characteristics; 2) quantify fish and protected species captures ; and 3) estimate catch per unit of effort (CPUE) trends and spatial distribution for target and nontarget species, excluding protected species. (Introduction)

Crew injuries and fatalities, employment estimates, and casualty rates in the Gulf of Mexico commercial fisheries.

Akbar B. Marvasti
In this report, first the review of the literature provides a background for studies of occupational injuries in the commercial fishing industry. Then, the status of occupational injuries and fatalities in commercial fishery is explained. Next, historical data on the number of accidents in the commercial fishery in the GOM are presented followed by the construction of the full-time equivalent (FTE) employment for selected groups of fisheries. Based on these data, the historical rates of...

Technical documentation of the Beaufort Assessment Model (BAM)

Eric H. Williams & Kyle W. Shertzer
The Beaufort Assessment Model (BAM) applies a statistical catch-age formulation implemented with the AD Model Builder software (Fournier et al. 2012) and fitted to multiple data sources simultaneously in a single integrated analysis (Maunder and Punt 2013). In essence, the model simulates a population forward in time while including fishing and biological processes (Quinn and Deriso 1999; Shertzer et al. 2014). Quantities to be estimated are systematically varied until characteristics of the simulated population match...

Community HWRF users guide V3.6A

Christina Holt, Ligia Bernardet, Richard Yablonsky & Timothy Brown
The Weather Research and Forecast (WRF) system for hurricane prediction (HWRF) is an operational model implemented at the National Centers for Environmental Prediction (NCEP) of the National Weather Service (NWS) to provide numerical guidance to the National Hurricane Center for the forecasting of tropical cyclones’ track, intensity, and structure. HWRF v3.6a and this Users’ Guide contain the capabilities of the operational 2014 implementation of HWRF

A tsunami forecast model for Santa Monica, California

The present study documents the development of a tsunami forecast model for Santa Monica, California. Santa Monica is a highly populated major resort town with extensive entertainment areas along the beach, visited every year by thousands of local residents and tourists. Santa Monica is 12.5 km north of Los Angeles International Airport (LAX), a critical facility in the event of a natural disaster. Thus, the forecast model grid covers the communities of Venice Beach, Marina...

The search for juvenile bumphead parrotfish (Bolbometopon muricatum) in the lagoon at Wake Island

Meagan Sundberg, Donald R. Kobayashi, Samuel Kahng, Stephen Karl & Jill P. Zamzow
The bumphead parrotfish (Bolbometopon muricatum) is a large, benthic grazing fish found on coral reefs of the Indo-West Pacific. Bumphead parrotfish do not occur within state waters of the United State (U.S.), but occur in certain U.S. jurisdictions such as the territories of Guam, Northern Mariana Islands, and American Samoa; and in the U.S. Pacific Remote Island Areas (PRIAs) of Palmyra, Jarvis Island, and Wake Island (Mundy, et al. 2011). The bumphead parrotfish is thought...

A tsunami forecast model for Arena Cove, California

Michael C. Spillane
Operational tsunami forecasting by NOAA's Tsunami Warning Centers relies on the detection of tsunami wave trains in the open ocean, inversion of these data (telemetered via satellite) to quantify their source characteristics, and real-time modeling of the impact on threatened coastal communities. The latter phase of the process involves, for each such community, a pre-tested forecast model capable of predicting the impact, in terms of inundation and dangerous inshore currents, with sufficient resolution and within...

Costs, earnings, and employment in the Alaska Saltwater Sport Fishing Charter sector, 2011-2013

Daniel Kevin Lew, G. Sampson, Amber H. Himes-Cornell, James Lee & Brian E. Garber-Yonts
In recent years Alaska's sport fisheries have undergone substantial changes, particularly in the management of the Pacific halibut (Hippoglossus stenolepis) charter fishery. As a result of these regulatory changes, participation in the charter sector Pacific halibut fishery has been capped with a limited entry program and charter vessel operators in some areas have been subject to size restrictions and bag limits on the catch of Pacific halibut during guided trips. Additionally, a halibut catch sharing...

Assessment of a pilot study to collect coral bycatch data from the Alaska commercial fishing fleet

Robert P. Stone, & Sandra Brooke
The North Pacific Groundfish and Halibut Observer Program is a potentially huge source of coral location data that could provide much needed information on high diversity hotspots and vulnerable marine ecosystems. We implemented a pilot project in 2012 and 2013 with experienced fisheries observers to improve data collection on coral bycatch by the Alaskan commercial fishing fleet. Observers were provided with coral identification training in a classroom setting and taxonomic field guides and instructed to...

A handy field guide to the nearshore marine fishes of Alaska

S. W. Johnson, A. Darcie Neff & Mandy R. Lindeberg
This guide culminated from years of research on the importance of the nearshore marine environment to fishery resources in Alaska. We were continually astounded by the abundance and diversity of fishes that use the nearshore, particularly the early life history stages of many species. The lack of a portable field guide, and the difficulty in identifying the young of some species in the field, prompted us to create this guide. We hope "A Handy Field...

Genetic stock composition analysis of Chinook salmon bycatch samples from the rockfish and arrowtooth flounder 2013 Gulf of Alaska trawl fisheries and the Gulf of Alaska salmon excluder device test

Jeffrey Robert Guyon, , Charles. M. Guthrie, J. Bonney, K. McGauley, K. Hansen & J. Gauvin
A genetic analysis of samples from the Chinook salmon (Oncorhynchus t shawytscha) bycatch of the 2013 Gulf of Alaska (GOA) trawl fisheries for Pacific rockfish (Sebastes spp.) and arrowtooth (Atheresthes stomias) flounder was undertaken to determine the stock composition of the sample sets. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game (ADF&G) SNP baseline. In 2013, genetic samples from the...

Smooth sheet bathymetry of the central Gulf of Alaska.

& M. M. Prescott
We assembled 1.75 million bathymetric soundings from 225 lead-line and single-beam echo sounder hydrographic surveys conducted from 1901 to 1999 in the central Gulf of Alaska. These bathymetry data are available from the National Geophysical Data Center (NGDC: http:// www.ngdc.noaa.gov), which archives and distributes data that were collected by the NOS (National Ocean Service), its predecessors, and others. While various bathymetry data have been previously downloaded from NGDC, compiled, and used for a variety of...

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