David Zawada, Ph.D.
David Zawada is a Research Oceanographer at the St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida.
Dr. Zawada is a research oceanographer specializing in underwater imaging and seafloor elevation change.
Professional Experience
Research Oceanograher, USGS, 2005-Present
Principal Scientist, Physical Sciences Inc., 2003-2005
Research Engineer, WET Labs, 2002-2003
Graduate Research Assistant, Scripps Institution of Oceanography, 1995-2002
Research Engineer, Argonne National Laboratory, 1987-1995
Education and Certifications
Ph.D. Oceanography, Scripps Institution of Oceanography, 2002
B.S. Chemical Engineering, University of Notre Dame, 1987
Affiliations and Memberships*
Executive board member, Association of Marine Laboratories of the Caribbean
Science and Products
Filter Total Items: 50
Projected Seafloor Elevation Along the Florida Reef Tract From Deerfield Beach to Homestead, Florida-25 Years From 2014 Based on Historical Rates of Mean Elevation Change
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by projecting future regional-scale changes in seafloor elevation for several sites along the Florida Reef Tract, Florida (FL) including the shallow seafloor along the coast of Miami, FL.
Projected Seafloor Elevation Change in the Upper Florida Keys 25, 50, 75 and 100 Years from 2002
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by measuring regional-scale changes in seafloor elevation in the Upper Florida Keys, Florida (FL), including both coral-dominated habitats and adjacent, non-coral-dominated habitats. USGS
Shallow ATRIS (sATRIS) Images-Dry Tortugas National Park, Florida, 2011
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected July 13 to July 17, 2011 within Dry Tortugas National Park, FL, USA. A total of 272,828 images of the seafloor and water column were collected along pre-defined transect lines and organized into 14 sets: track1, track2, track3, track4, track5, track6, track7, track8, track9, track10, track1
Coastal Topography-Upper Florida Keys Reef Tract, Florida, 26-30 June 2016
Lidar-derived seamless (bare earth and submerged) topography Digital Elevation Model (DEM) mosaic and classified point-cloud datasets of a portion of the upper Florida Keys reef tract were produced from remotely sensed, geographically referenced elevation measurements collected June 26-30, 2016.
Shallow ATRIS (sATRIS) Images-Dry Tortugas National Park, Florida, 2009
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected June 13?14, 2009 at Pulaski Shoal within Dry Tortugas National Park, FL, USA. A total of 195,406 images of the seafloor and water column were collected along pre-defined transect lines and organized into 3 sets: track1, track2, and track3. This data release contains a subset of those images (
Ocean Currents and Pressure Time Series at the Upper Florida Keys: Crocker Reef, FL
Acoustic Doppler Current Profilers (ADCPs) and Pressure loggers were deployed at Crocker Reef, a senile (dead) barrier reef located in the northern portion of the Florida Reef Tract during December 12, 2014 to January 30, 2015. A pressure logger was deployed in the deepest part of the fore reef at a water depth of 14 m. This logger configured to measure pressure at a rate of 2 Hz to obtain wave st
Seafloor elevation change in Maui, St. Croix, St. Thomas, and the Florida Keys
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by measuring regional-scale changes in seafloor elevation. USGS staff assessed five coral reef ecosystems in the Atlantic Ocean (Upper and Lower Florida Keys), Caribbean Sea (U.S. Virgin I
ATRIS Seafloor Images-West Turtle Shoal Patch Reef, Rawa Patch Reef, Dustan Rocks Patch Reef, and Thor Patch Reef, Florida, 2011
The U.S. Geological Survey St. Petersburg Coastal and Marine Science Center developed the Along-Track Reef Imaging System (ATRIS) in order to capture high-resolution, geo-located images of the seafloor. The images in this data release were collected September 29-30, 2011 at West Turtle Shoal, Rawa, Dustan Rocks, and Thor patch reefs near Marathon, Florida. The transects below show the path of imag
Distribution of Sediments at Crocker Reef, Florida, 2013-2014
Understanding the processes that govern whether a coral reef is accreting (growing) or dissolving are fundamental to questions of reef health and resiliency. The Reefscape Characterization task of the Coral Reef Ecosystem Studies (CREST) project is focused on geochemical, geologic, and metabolic processes that affect carbonate precipitation and dissolution on coral reefs. For the 1-km x 1-km study
Distribution of Benthic Habitats at Crocker Reef, Florida, 2014
The distribution of benthic habitats for a 1-km x 1-km area around Crocker Reef in the Florida Key is based upon underwater digital images of the seafloor collected June 24-25, 2014. The imagery was collected using the USGS shallow Along-Track Reef-Imaging System (sATRIS), a boat-based, pole-mounted sensor package for mapping shallow-water benthic environments. The polygons contained in this shap
EAARL-B Submerged Topography-Crocker Reef, Florida, 2014
These datasets provide lidar-derived topography for a portion of the submerged environs of Crocker Reef, Florida. Elevation measurements were acquired on April 13 and 22, 2014 by the second-generation Experimental Advanced Airborne Research Lidar (EAARL-B).
The authors acknowledge Emily Klipp, Richard Mitchell, Karen Morgan, Chris Pali, Virgil Rabine, Rudy Troche, and Wayne Wright for planning ef
ATRIS Seafloor Images-Crocker Reef, Florida, 2014
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected June 24-25, 2014 within a 1-km x 1-km area around Crocker Reef in the Florida Keys, USA. A total of 91,206 images of the seafloor and water column were collected along pre-defined transect lines and organized into 3 sets: track1, track2, and track3. This data release contains a subset of thos
Filter Total Items: 25
Science and Products
- Science
- Data
Filter Total Items: 50
Projected Seafloor Elevation Along the Florida Reef Tract From Deerfield Beach to Homestead, Florida-25 Years From 2014 Based on Historical Rates of Mean Elevation Change
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by projecting future regional-scale changes in seafloor elevation for several sites along the Florida Reef Tract, Florida (FL) including the shallow seafloor along the coast of Miami, FL.Projected Seafloor Elevation Change in the Upper Florida Keys 25, 50, 75 and 100 Years from 2002
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by measuring regional-scale changes in seafloor elevation in the Upper Florida Keys, Florida (FL), including both coral-dominated habitats and adjacent, non-coral-dominated habitats. USGSShallow ATRIS (sATRIS) Images-Dry Tortugas National Park, Florida, 2011
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected July 13 to July 17, 2011 within Dry Tortugas National Park, FL, USA. A total of 272,828 images of the seafloor and water column were collected along pre-defined transect lines and organized into 14 sets: track1, track2, track3, track4, track5, track6, track7, track8, track9, track10, track1Coastal Topography-Upper Florida Keys Reef Tract, Florida, 26-30 June 2016
Lidar-derived seamless (bare earth and submerged) topography Digital Elevation Model (DEM) mosaic and classified point-cloud datasets of a portion of the upper Florida Keys reef tract were produced from remotely sensed, geographically referenced elevation measurements collected June 26-30, 2016.Shallow ATRIS (sATRIS) Images-Dry Tortugas National Park, Florida, 2009
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected June 13?14, 2009 at Pulaski Shoal within Dry Tortugas National Park, FL, USA. A total of 195,406 images of the seafloor and water column were collected along pre-defined transect lines and organized into 3 sets: track1, track2, and track3. This data release contains a subset of those images (Ocean Currents and Pressure Time Series at the Upper Florida Keys: Crocker Reef, FL
Acoustic Doppler Current Profilers (ADCPs) and Pressure loggers were deployed at Crocker Reef, a senile (dead) barrier reef located in the northern portion of the Florida Reef Tract during December 12, 2014 to January 30, 2015. A pressure logger was deployed in the deepest part of the fore reef at a water depth of 14 m. This logger configured to measure pressure at a rate of 2 Hz to obtain wave stSeafloor elevation change in Maui, St. Croix, St. Thomas, and the Florida Keys
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and destructive processes on modern coral reef ecosystems by measuring regional-scale changes in seafloor elevation. USGS staff assessed five coral reef ecosystems in the Atlantic Ocean (Upper and Lower Florida Keys), Caribbean Sea (U.S. Virgin IATRIS Seafloor Images-West Turtle Shoal Patch Reef, Rawa Patch Reef, Dustan Rocks Patch Reef, and Thor Patch Reef, Florida, 2011
The U.S. Geological Survey St. Petersburg Coastal and Marine Science Center developed the Along-Track Reef Imaging System (ATRIS) in order to capture high-resolution, geo-located images of the seafloor. The images in this data release were collected September 29-30, 2011 at West Turtle Shoal, Rawa, Dustan Rocks, and Thor patch reefs near Marathon, Florida. The transects below show the path of imagDistribution of Sediments at Crocker Reef, Florida, 2013-2014
Understanding the processes that govern whether a coral reef is accreting (growing) or dissolving are fundamental to questions of reef health and resiliency. The Reefscape Characterization task of the Coral Reef Ecosystem Studies (CREST) project is focused on geochemical, geologic, and metabolic processes that affect carbonate precipitation and dissolution on coral reefs. For the 1-km x 1-km studyDistribution of Benthic Habitats at Crocker Reef, Florida, 2014
The distribution of benthic habitats for a 1-km x 1-km area around Crocker Reef in the Florida Key is based upon underwater digital images of the seafloor collected June 24-25, 2014. The imagery was collected using the USGS shallow Along-Track Reef-Imaging System (sATRIS), a boat-based, pole-mounted sensor package for mapping shallow-water benthic environments. The polygons contained in this shapEAARL-B Submerged Topography-Crocker Reef, Florida, 2014
These datasets provide lidar-derived topography for a portion of the submerged environs of Crocker Reef, Florida. Elevation measurements were acquired on April 13 and 22, 2014 by the second-generation Experimental Advanced Airborne Research Lidar (EAARL-B). The authors acknowledge Emily Klipp, Richard Mitchell, Karen Morgan, Chris Pali, Virgil Rabine, Rudy Troche, and Wayne Wright for planning efATRIS Seafloor Images-Crocker Reef, Florida, 2014
Underwater digital images, single-beam bathymetry, and global positioning system (GPS) data were collected June 24-25, 2014 within a 1-km x 1-km area around Crocker Reef in the Florida Keys, USA. A total of 91,206 images of the seafloor and water column were collected along pre-defined transect lines and organized into 3 sets: track1, track2, and track3. This data release contains a subset of thos - Multimedia
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*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government