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Dean Tyler (Former Employee)

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Lake Powell TDEM

3D Topobathymetric Digital Elevation Model for Lake Powell Storage Capacity Assessment

To support the modeling of the Colorado River water storage area capacity tables by the U.S. Geological Survey (USGS) Utah Water Science Center, the USGS Earth Resources Observation and Science (EROS) Center created a 3D high-resolution topobathymetric digital elevation model (TBDEM) for Lake Powell. Located in south-central Utah and north-central Arizona, the second largest man-made reservoir in...
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project
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3D Topobathymetric Digital Elevation Model for Lake Powell Storage Capacity Assessment

To support the modeling of the Colorado River water storage area capacity tables by the U.S. Geological Survey (USGS) Utah Water Science Center, the USGS Earth Resources Observation and Science (EROS) Center created a 3D high-resolution topobathymetric digital elevation model (TBDEM) for Lake Powell. Located in south-central Utah and north-central Arizona, the second largest man-made reservoir in...
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Topobathymetric elevation model of San Francisco Bay Area, California

Topobathymetric Elevation Model of San Francisco Bay Area, California

Accurate, high-resolution elevation information is vital to understanding the natural hazards that can impact the highly populated San Francisco Bay area, such as sea-level rise, winter storms, cliff erosion, and other coastal hazards. The San Francisco Bay estuary three-dimensional (3D) topobathymetric digital elevation model (TBDEM) was developed in collaboration between U.S. Geological Survey...
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project
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Topobathymetric Elevation Model of San Francisco Bay Area, California

Accurate, high-resolution elevation information is vital to understanding the natural hazards that can impact the highly populated San Francisco Bay area, such as sea-level rise, winter storms, cliff erosion, and other coastal hazards. The San Francisco Bay estuary three-dimensional (3D) topobathymetric digital elevation model (TBDEM) was developed in collaboration between U.S. Geological Survey...
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Topobathymetric Elevation Model of Majuro Atoll, Republic of the Marshall Islands

With an estimated elevation of only 3-meters above sea level, the Majuro Atoll, capital of the Republic of the Marshall Islands (RMI), is extremely vulnerable to sea-level rise, tsunamis, storm surge, and coastal flooding that could impact the sustainability of the infrastructure, groundwater, and ecosystems. Located in the northern tropical Pacific Ocean, the waters surrounding the Majuro Atoll...
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project
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Topobathymetric Elevation Model of Majuro Atoll, Republic of the Marshall Islands

With an estimated elevation of only 3-meters above sea level, the Majuro Atoll, capital of the Republic of the Marshall Islands (RMI), is extremely vulnerable to sea-level rise, tsunamis, storm surge, and coastal flooding that could impact the sustainability of the infrastructure, groundwater, and ecosystems. Located in the northern tropical Pacific Ocean, the waters surrounding the Majuro Atoll...
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CoNED Topobathymetric elevation model of Chesapeake Bay

Hurricane Sandy Region - Topobathymetric Elevation Model of Chesapeake Bay

Hurricane Sandy had significant impacts throughout the Chesapeake Bay, altering the topography and ecosystems of this populous coastal region. In response to the storm, the U.S. Geological Survey (USGS) Coastal and Marine Geology Program in collaboration with USGS National Geospatial Program, and National Oceanic and Atmospheric Administration developed three-dimensional (3D) topobathymetric...
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project
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Hurricane Sandy Region - Topobathymetric Elevation Model of Chesapeake Bay

Hurricane Sandy had significant impacts throughout the Chesapeake Bay, altering the topography and ecosystems of this populous coastal region. In response to the storm, the U.S. Geological Survey (USGS) Coastal and Marine Geology Program in collaboration with USGS National Geospatial Program, and National Oceanic and Atmospheric Administration developed three-dimensional (3D) topobathymetric...
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color photo of Mobile Bay, Alabama topobathymetric map

Coastal National Elevation Database (CoNED) Applications

The Coastal National Elevation Database (CoNED) and Applications project at EROS offers information used for a range of applications analysis needed for climate change analysis.
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Earth Resources Observation and Science (EROS) Center
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Coastal National Elevation Database (CoNED) Applications

The Coastal National Elevation Database (CoNED) and Applications project at EROS offers information used for a range of applications analysis needed for climate change analysis.
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Topobathymetric Model of the Northern Gulf of Mexico, 1885 to 2021

To support U.S. Army Corps of Engineers (USACE) storm surge modeling for the Louisiana Coastal Protection and Restoration Authority (CPRA), Lowermost Mississippi River Management Program (LMRMP), the U.S. Geological Survey (USGS) Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for the Northern Gulf o
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Earth Resources Observation and Science (EROS) Center , Gulf of Mexico

Topobathymetric Model of the Coastal Georgia, 1851 to 2020

To support Hurricane Florence impact modeling of storm-induced flooding and sediment transport, the U.S. Geological Survey (USGS) Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for coastal Georgia. High-resolution coastal topobathymetric data are required to characterize flooding, storms, and sea-l
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Earth Resources Observation and Science (EROS) Center

Topobathymetric Model of the Coastal Carolinas, 1851 to 2020

To support Hurricane Florence impact modeling of storm-induced flooding and sediment transport, the U.S. Geological Survey (USGS) Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for coastal North Carolina, and South Carolina. High-resolution coastal topobathymetric data are required to characterize f
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Earth Resources Observation and Science (EROS) Center

Topobathymetric Model of the Strait of Juan de Fuca, 1891 to 2016

To support the modeling of storm-induced flooding, the U.S. Geological Survey (USGS) Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for the Strait of Juan de Fuca, which is located at the outlet of the Salish Sea. The international boundary between Canada and the northwestern part of the United Stat
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Pacific Coastal and Marine Science Center

Topobathymetric Model of Northern California, 1986 to 2019

To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for the Northern California Coast. High-resolution coastal elevation data is required to identify flood, hurricane, and sea-level rise inundation hazard zones and other earth science applicatio
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Earth Resources Observation and Science (EROS) Center

One Meter Topobathymetric Digital Elevation Model for Lake Powell, Arizona-Utah, 1947-2018

To support the modeling of the Colorado River water storage area capacity tables by the U.S. Geological Survey (USGS) Utah Water Science Center in the Glen Canyon National Recreation Area in Utah and Arizona, the USGS Earth Resources Observation and Science (EROS) Center has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for Lake Powell, the second largest man-made r
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

Topobathymetric Model of Puget Sound, Washington, 1887 to 2017

To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for Puget Sound. Puget Sound is located along the northwestern coast of Washington and is part of the Salish Sea. Puget Sound is the third largest estuary in the United States. High-resolution
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Earth Resources Observation and Science (EROS) Center

Topobathymetric Model for the Southern Coast of California and the Channel Islands, 1930 to 2014

To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for the Southern California Coast and Channel Islands. The Channel Islands are a chain of eight islands where years of isolation has created unique fauna, flora, and archeological resources. Th
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

Topobathymetric Model for the Central Coast of California, 1929 to 2017

To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for the Central California Coast. High-resolution coastal elevation data is required to identify flood, hurricane, and sea-level rise inundation hazard zones and other earth science application
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Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts, Coastal National Elevation Database (CoNED) Applications Project

One Meter Topobathymetric Digital Elevation Model for Majuro Atoll, Republic of the Marshall Islands, 1944 to 2016

Located in the western Pacific Ocean, Majuro is a large coral atoll consisting of a large, central narrow land mass and remote islands that are part of the Republic of the Marshall Islands. The waters surrounding the Majuro Atoll land areas are relatively shallow with poorly mapped bathymetry. However, the Pacific Ocean on the exterior of the coral atoll and the lagoon within its interior consist
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project
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Coastal National Elevation Database

The Coastal National Elevation Database (CoNED) Applications Project develops enhanced topographic (land elevation) and bathymetric (water depth) datasets that serve as valuable resources for coastal hazards research (Danielson and others, 2016; Thatcher and others, 2016). These datasets are used widely for mapping inundation zones from riverine flood events, hurricanes, and sea-level rise and for
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Jeffrey J. Danielson, Sandra K. Poppenga, Dean J. Tyler, Monica Palaseanu-Lovejoy, Dean B. Gesch
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

Evaluating the potential for near-shore bathymetry on the Majuro Atoll, Republic of the Marshall Islands, using Landsat 8 and WorldView-3 imagery

Satellite-derived near-shore bathymetry (SDB) is becoming an increasingly important method for assessing vulnerability to climate change and natural hazards in low-lying atolls of the northern tropical Pacific Ocean. Satellite imagery has become a cost-effective means for mapping near-shore bathymetry because ships cannot collect soundings safely while operating close to the shore. Also, green las
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Sandra K. Poppenga, Monica Palaseanu-Lovejoy, Dean B. Gesch, Jeffrey J. Danielson, Dean J. Tyler
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

One-meter topobathymetric digital elevation model for Majuro Atoll, Republic of the Marshall Islands, 1944 to 2016

Atoll and island coastal communities are highly exposed to sea-level rise, tsunamis, storm surges, rogue waves, king tides, and the occasional combination of multiple factors, such as high regional sea levels, extreme high local tides, and unusually strong wave set-up. The elevation of most of these atolls averages just under 3 meters (m), with many areas roughly at sea level. The lack of high-res
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Monica Palaseanu-Lovejoy, Sandra K. Poppenga, Jeffrey J. Danielson, Dean J. Tyler, Dean B. Gesch, Maria Kottermair, Andrea Jalandoni, Edward Carlson, Cindy A. Thatcher, Matthew M. Barbee
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Earth Resources Observation and Science (EROS) Center , Coastal National Elevation Database (CoNED) Applications Project

Topobathymetric elevation model development using a new methodology: Coastal National Elevation Database

During the coming decades, coastlines will respond to widely predicted sea-level rise, storm surge, and coastalinundation flooding from disastrous events. Because physical processes in coastal environments are controlled by the geomorphology of over-the-land topography and underwater bathymetry, many applications of geospatial data in coastal environments require detailed knowledge of the near-sho
Authors
Jeffrey J. Danielson, Sandra K. Poppenga, John Brock, Gayla A. Evans, Dean J. Tyler, Dean B. Gesch, Cindy A. Thatcher, John Barras
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Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts, Coastal National Elevation Database (CoNED) Applications Project

Creation of digital contours that approach the characteristics of cartographic contours

The capability to easily create digital contours using commercial off-the-shelf (COTS) software has existed for decades. Out-of-the-box raw contours are suitable for many scientific applications without pre- or post-processing; however, cartographic applications typically require additional improvements. For example, raw contours generally require smoothing before placement on a map. Cartographic
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Dean J. Tyler, Susan K. Greenlee
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Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts

Topographic Science

The mission of U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center Topographic Science is to establish partnerships and conduct research and applications that facilitate the development and use of integrated national and global topographic datasets. Topographic Science includes a wide range of research and applications that result in improved seamless topographic da
Authors
Sandra K. Poppenga, Gayla Evans, Dean Gesch, Jason M. Stoker, Vivian R. Queija, Bruce Worstell, Dean J. Tyler, Jeff Danielson, Norman Bliss, Susan Greenlee
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Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts

Integrating disparate lidar datasets for a regional storm tide inundation analysis of Hurricane Katrina

Hurricane Katrina was one of the largest natural disasters in U.S. history. Due to the sheer size of the affected areas, an unprecedented regional analysis at very high resolution and accuracy was needed to properly quantify and understand the effects of the hurricane and the storm tide. Many disparate sources of lidar data were acquired and processed for varying environmental reasons by pre- and
Authors
Jason M. Stoker, Dean J. Tyler, D. Phil Turnipseed, K. Van Wilson, Michael J. Oimoen
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Earth Resources Observation and Science (EROS) Center

Topobathymetric data for Tampa Bay, Florida

Topobathymetric data (“topobathy”) are a merged rendering of both topography (land elevation) and bathymetry (water depth) to provide a single product useful for inundation mapping and a variety of other applications. These data were developed using one topographic and two bathymetric datasets collected at different dates. Topography was obtained from the U.S. Geological Survey's (USGS) National E
Authors
Dean J. Tyler, David G. Zawada, A. Nayegandi, John Brock, M. P. Crane, Kimberly K. Yates, Kathryn E. L. Smith
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Earth Resources Observation and Science (EROS) Center , Coastal Changes and Impacts

The national elevation data set

The NED is a seamless raster dataset from the USGS that fulfills many of the concepts of framework geospatial data as envisioned for the NSDI, allowing users to focus on analysis rather than data preparation. It is regularly maintained and updated, and it provides basic elevation data for many GIS applications. The NED is one of several seamless datasets that the USGS is making available through t
Authors
Dean B. Gesch, Michael J. Oimoen, Susan K. Greenlee, Charles A. Nelson, Michael J. Steuck, Dean J. Tyler
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Earth Resources Observation and Science (EROS) Center

Monitoring rangeland dynamics in Senegal with advanced very high resolution radiometer data

Time‐series Normalized Difference Vegetation Index (NDVI) data, computed from Advanced Very High Resolution Radiometer data, are being used by regional and national programs in the African Sahel to monitor seasonal rangeland conditions. The data are often used as indicators of grazing conditions and drought. However, distinguishing rangelands from other vegetation cover types on NDVI images is dif
Authors
G. Gray Tappan, Dean J. Tyler, M. E. Wehde, Donald G. Moore
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Earth Resources Observation and Science (EROS) Center

United States Geological Survey Yearbook, fiscal year 1989

The fiscal year 1989 Yearbook summarizes the activities of the U.S. Geological Survey in response to its scientific and regulatory missions.
Authors
Dallas L. Peck, John A. Kelmelis, Charles W. Boning, Richard Z. Poore, Eugene C. Napier, Ernest B. Brunson, K. Lea Ginnodo, G. Gray Tappan, Dean J. Tyler, Donald G. Moore, C.R. Baskin, Charlotte H. Goodson, Wendy R. Hassibe, Betty B. Brodes
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Woods Hole Coastal and Marine Science Center

Seasonal vegetation monitoring with AVHRR data for grasshopper and locust control in West Africa

No abstract available.
Authors
G. Gray Tappan, S. M. Howard, Thomas Loveland, Dean J. Tyler, D. G. Moore
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Earth Resources Observation and Science (EROS) Center
CoNED Digital Elevation Model Helps Majuro Prepare for Sea Level Rise

CoNED Digital Elevation Model Helps Majuro Prepare for Sea Level Rise

University of Hawaii Geology and Geophysics Professor Chip Fletcher spread his maps on the table as land planners from Majuro—a large coral atoll of...

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Advances in Topobathymetric Mapping

Advances in Topobathymetric Mapping

In coastal environments, elevation is perhaps the most fundamental variable determining vulnerability. Accurate high-resolution digital elevation...

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