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Monitoring

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Long-term monitoring programs, during which periodic observations are made to detect the impact of human activities and natural processes on the environment, are an important part of many studies, providing an opportunity to assess change to a system. Establishing the rate at which environmental degradation is presently taking place includes a compilation and critical review of historical data as well as an examination of the recent geologic record and measurement of processes.

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Items below are listed from most recently updated to least recently updated.

These are results 1 through 25 of 130 matches.

Educational Materials
Equipment Used in Marine Geology Research

Description: Description and links to information on nine types of marine geology research equipment used by the USGS Western Region Coastal & Marine Geology Team
updated: 2009-07-02 pages include:

General Information
WCMG Marine Facility Home Page

Description: Links to software downloads and documentation for YoNav and MudSeis systems used on Western Region Coastal and Marine Geology Team cruises.
updated: 2009-07-02 pages include:

Research Project
USGS Coral Reef Studies

Description: Coral Reef Studies conducted in Hawaii, Florida and California.
updated: 2009-06-24 pages include:

Publication
Scientific Investigations Report 2009-5116: Topographic Change Detection at Select Archeological Sites in Grand Canyon National Park, Arizona, 2006�2007

Description: Topographic change of archeological sites within the Colorado River corridor of Grand Canyon National Park (GCNP) is a subject of interest to National Park Service managers and other stakeholders in the Glen Canyon Dam Adaptive Management Program. Although long-term topographic change resulting from a variety of natural processes is typical in the Grand Canyon region, a continuing debate exists on whether and how controlled releases from Glen Canyon Dam, located immediately upstream of GCNP, are impacting rates of site erosion, artifact transport, and the preservation of archeological resources. Continued erosion of archeological sites threatens both the archeological resources and our future ability to study evidence of past cultural habitation. Understanding the causes and effects of archaeological site erosion requires a knowledge of several factors including the location and magnitude of the changes occurring in relation to archeological resources, the rate of the changes, and the relative contribution of several potential causes, including sediment depletion associated with managed flows from Glen Canyon Dam, site-specific weather patterns, visitor impacts, and long-term climate change. To obtain this information, highly accurate, spatially specific data are needed from sites undergoing change. Using terrestrial lidar data collection techniques and novel TIN- and GRID-based change-detection post-processing methods, we analyzed topographic data for nine archeological sites. The data were collected using three separate data collection efforts spanning 16 months (May 2006 to September 2007). Our results documented positive evidence of erosion, deposition, or both at six of the nine sites investigated during this time interval. In addition, we observed possible signs of change at two of the other sites. Erosion was concentrated in established gully drainages and averaged 12 cm to 17 cm in depth with maximum depths of 50 cm. Deposition was concentrated at specific locations outside of drainages but generally was spread over larger areas (tens to hundreds of square meters). Maximum depths of deposition averaged 12 cm to 15 cm and reached as much as 35 cm. Overall, we found that the spatial distribution and magnitudes of surface change are specific to each site and that a thorough understanding of the geomorphology, weather, and sand supply is requisite for a complete understanding of the data. Additional work in combining these results with site-specific weather, hydrology, and geomorphology data will assist in the development of working models for determining the causes of the documented topographic changes.
updated: 2009-06-16 pages include:

Research Project
USGS Northern Gulf of Mexico (NGOM)

Description: The goal of the USGS Northern Gulf of Mexico project is to understand the evolution of coastal ecosystems on the Northern Gulf Coast, the impact of human activities on these ecosystems, and the vulnerability of ecosystems and human communities to more frequent and more intense hurricanes in the future.
updated: 2009-05-28 pages include:

Research Project
Potential San Francisco Bay Landslides During El Nino

Description: EL Nino - Actual and Potential Landslides in San Francisco Bay Area including fly-bys, photos, maps and animations
updated: 2009-05-06 pages include:

Research Project
Coastal Change Hazards: Hurricanes and Extreme Storms

Description: This project investigates the coastal impacts of hurricanes and extreme storms, such as Hurricanes Isabel (2003), Dennis (1999), Bonnie & Georges (1998), and winter storms, such as those associated with the 1997-98 El Ni�o.
updated: 2009-04-28 pages include:

Publication
Open-File Report 2009-1029: Coastal processes study of Santa Barbara and Ventura Counties, California

Description: By Patrick L. Barnard, David L. Revell, Dan Hoover, Jon Warrick, John Brocatus, Amy E. Draut, Pete Dartnell, Edwin Elias, Neomi Mustain, Pat E. Hart, and Holly F. Ryan. The Santa Barbara littoral cell (SBLC) is a complex coastal system with significant management challenges. The coastline ranges broadly in exposure to wave energy, fluvial inputs, hard structures, and urbanization. Geologic influence (structural control) on coastline orientation exerts an important control on local beach behavior, with anthropogenic alterations and the episodic nature of sediment supply and transport also playing important roles.
updated: 2009-03-27 pages include:

Publication
Open-File Report 2008-1191: Geologic Resource Evaluation of Kaloko-Honokōhau National Historical Park, Hawai�i; Geology and Coastal Landforms

Publication
Open-File Report 2008-1192: Geologic Resource Evaluation of Pu�uhonua O Hōnaunau National Historical Park, Hawai�i; Part I, Geology and Coastal Landforms

Publication
Open-File Report 2008-1190: Geologic Resource Evaluation of Pu�ukoholā Heiau National Historic Site, Hawai�i; Part I, Geology and Coastal Landforms

Description: Geologic resource inventories of lands managed by the National Park Service (NPS) are important products for the parks and are designed to provide scientific information to better manage park resources. Park-specific geologic reports are used to identify geologic features and processes that are relevant to park ecosystems, evaluate the impact of human activities on geologic features and processes, identify geologic research and monitoring needs, and enhance opportunities for education and interpretation. These geologic reports are planned to provide a brief geologic history of the park and address specific geologic issues forming a link between the park geology and the resource manager. The Kona coast National Parks of the Island of Hawai�i are intended to preserve the natural beauty of the Kona coast and protect significant ancient structures and artifacts of the native Hawaiians. Pu�ukoholā Heiau National Historic Site (PUHE), Kaloko-Honokōhau National Historical Park (KAHO), and Pu�uhonua O Hōnaunau National Historical Park (PUHO) are three Kona parks studied by the U.S. Geological Survey (USGS) Coastal and Marine Geology Team in cooperation with the National Park Service. This report is one of six related reports designed to provide geologic and benthic-habitat information for the three Kona parks. Each geology and coastal-landform report describes the regional geologic setting of the Hawaiian Islands, gives a general description of the geology of the Kona coast, and presents the geologic setting and issues for one of the parks. The related benthic-habitat mapping reports discuss the marine data and habitat classification scheme, and present results of the mapping program.
updated: 2009-02-10 pages include:

Publication
USGS Gulf Coast Science Conference and Florida Integrated Science Center Meeting: Proceedings with Abstracts, October 20-23, 2008, Orlando, Florida

Description: Talks, posters, and abstracts from the USGS Gulf Coast Science Conference and Florida Integrated Science Center Meeting.
updated: 2009-01-29 pages include:

Publication
Scientific Investigations Report 2007-5101: The Coral Reef of South Moloka�i, Hawai�i�Portrait of a Sediment-Threatened Fringing Reef

Description: In this landmark volume, U.S. Geological Survey researchers and their colleagues have developed and applied a remarkably integrated approach to the reefs of Moloka�i, combining geology, oceanography, and biology to provide an in-depth understanding of the processes that have made these reefs grow and that now limit them. They have joined old fashioned natural history of marine animals and plants with study of the geological evolution of the island, hydrology, meteorology, and land-use history, to an arsenal of new methods of remote sensing, including aerial photography, laser ranging, infrared thermal mapping, seismic reflection, in-situ instrumentation to measure chemical parameters of water quality, and direct measurements of the physical driving forces affecting them�such as wave energy, currents, sedimentation, and sediment transport. They provide a level of documentation and insight that has never been available for any reef before.
updated: 2008-11-19 pages include:

Publication
Documentation of the U.S. Geological Survey Oceanographic Time-Series Measurement Database, USGS Open-File Report 2007-1194, Title Page

Description: Observations of ocean current and hydrographic measurements primarily from the coastal United States are provided in this database. Data is available in the raw sample interval logged by the instrument, and optionally as hourly averaged, and low-pass filtered files. Data served may include measurements of currents, light transmission (beam attenuation), temperature, conductivity, density, oxygen, salinity, and other parameters. Time range: 1975 - present"
updated: 2008-11-17 pages include:

Publication
Scientific Investigations Report 2008-5128: Submarine ground-water discharge and fate along the coast of Kaloko-Honokohau National Historical Park, Island of Hawai'i--Part 2

Description: Submarine ground-water discharge and fate along the coast of Kaloko-Honokohau National Historical Park, Island of Hawai'i--Part 2, Spatial and temporal variations in salinity, radium-isotope activity, and nutrient concentrations in coastal waters, December 2003-April 2006
updated: 2008-08-29 pages include:

Research Project
Coastal Processes: San Francisco Bight Coastal Processes Study - USGS WCMG

Description: San Francisco Bight Coastal Processes Study of the USGS Western Coastal and Marine Geology Team. The USGS is conducting a study that documents and analyzes the processes that control the sand transport and sedimentation patterns of Ocean Beach, a National Park site within the Golden Gate National Recreation Area. This area encompasses a complicated coastal setting that is impacted by the tidal influence of San Francisco Bay, as well as the southwest and northwest Pacific swell. High-energy conditions at this site have restricted comprehensive field surveys in the past, but recent innovations in field techniques now make it possible to perform detailed analysis of the physical processes operating on high energy coastlines, such as Ocean Beach.
updated: 2008-08-12 pages include:

Research Project
Santa Barbara-Ventura Coastal Processes Study - USGS WCMG

Description: Santa Barbara/Ventura Coastal Processes Study of the USGS Western Coastal and Marine Geology Team. Whereas coastal urban development and infrastructure are largely fixed with respect to location, shoreline and bluff positions can change substantially over time in response to natural processes. These natural coastal changes can damage or undermine urban structures, resulting in substantial property loss for federal, state, local and individual land owners. Urban development can also indirectly influence coastal change by interrupting natural supplies or transport of sediment in littoral cells. Thus, it is important to evaluate the rates, patterns and causes of coastal change to better manage sediment resources and predict change hazards in coastal urban settings. The Santa Barbara and Ventura County coast represents a littoral cell along the California coast extending from (at least) Point Conception to the Mugu submarine canyon. The beaches along this littoral cell are an important economic resource to the region, and there is evidence that shoreline and bluff erosion are impacting these beaches. Coastal change in the Santa Barbara/Ventura region is complicated, however, by the irregular coastline (there are numerous rocky headlands, river deltas and offshore reefs), variability in wave forcing, structures such as harbors, groins, piers, dams and landscape urbanization, variability in tectonic uplift, and limited information on littoral sediment sources. In response to the potential for coastal change, BEACON (Beach Erosion Authority for Clean Oceans and Nourishment) and the City of Carpinteria have provided a combined $700K in funding for USGS WCMG to evaluate the coastal change patterns and processes along the Santa Barbara/Ventura County coast until the end of 2008.
updated: 2008-08-12 pages include:

Publication
Data Series 288: Beach Morphology Monitoring in the Elwha River Littoral Cell, 2004-2006

Description: his report describes the methods used, data collected, and results of the Beach Morphology Monitoring Program in the Elwha River Littoral Cell, starting in 2004. The U.S. Geological Survey and the Washington State Department of Ecology collaborated in the data collection with the support of the local Lower Elwha Klallam Tribe. Beach monitoring efforts consisted of collecting topographic and bathymetric horizontal and vertical position data by using a Real Time Kinematic Differential Global Positioning System (RTK-DGPS). The monitoring program was designed to characterize the littoral system of the Elwha River before the scheduled removal of two large dams in 2012. A primary objective of this work is to quantitatively describe the topography and bathymetry of the Elwha River littoral system so that the effects of dam removal may be quantified. Sediment inputs following dam removal are hypothesized to result in (A) larger amounts of fine sediment grain-sizes entering the littoral system and, (B) a reduction or reversal of coastal erosion.
updated: 2008-07-11 pages include:

Publication
Open-File Report 2008-1215: Winds, Waves, Tides, and the Resulting Flow Patterns and Fluxes of Water, Sediment, and Coral Larvae off West Maui, Hawaii

Description: A series of recent studies has focused on the flow patterns and particle fluxes along the coast of West Maui, Hawaii, USA, from Honolua south to Puumana. From those studies a relatively good understanding has emerged of the physical processes that influence the relative amount of suspended sediment in nearshore waters and the circulation patterns that transport sediment and coral larvae along the coast and between islands. This report is a synthesis of our existing knowledge on the nature of flow and transport off West Maui.
updated: 2008-07-02 pages include:

Publication
Florida Integrated Science Center (FISC) Coral Reef Research

Description: The U.S. Geological Survey Florida Integrated Science Center (USGS�FISC) is conducting a coordinated Coral Reef Research Project beginning in 2009. Specific research topics are aimed at addressing priorities identified in the �Strategic Science for Coral Ecosystems 2007-2011� document (U.S. Geological Survey, 2007). Planned research will include a blend of historical, monitoring, and process studies aimed at improving our understanding of the development, current status and function, and likely future changes in coral ecosystems. Topics such as habitat characterization and distribution, coral disease, and trends in biogenic calcification are major themes of understanding reef structure, ecological integrity, and responses to global change.
updated: 2008-07-01 pages include:

Publication
USGS-NPS-NASA EAARL Submarine Topography-Northern Florida Keys

Description: Digital map atlas of lidar-derived submarine topography maps for the Northern Florida Keys Reef Tract
updated: 2008-04-25 pages include:

Publication
EAARL Topography-Sagamore Hill National Historic Site (SAHI)

Description: Digital atlas of lidar-derived topography maps for Sagamore Hill National Historic Site
updated: 2008-04-24 pages include:

Publication
EAARL Topography-Gateway National Recreation Area-Home

Description: Digital map atlas of lidar-derived topography maps for the Gateway National Recreation Area
updated: 2008-04-23 pages include:

Publication
EAARL Submarine Topography-Florida Keys National Marine

Description: Digital atlas of Lidar-derived submarine topography maps for Florida Keys National Marine Sanctuary
updated: 2008-04-21 pages include:

Publication
EAARL First Return Topography�Fire Island National Seashore

Description: Digital map atlas of lidar-derived topography maps for Assateague Island National Seashore
updated: 2008-04-21 pages include:

These are results 1 through 25 of 130 matches.

Coastal and Marine Geology Program > Online Science Resource Locator > Monitoring