Megan Coffer

Works (12)

Updated: July 27th, 2023 21:16

2023 journal article

Providing a framework for seagrass mapping in United States coastal ecosystems using high spatial resolution satellite imagery

JOURNAL OF ENVIRONMENTAL MANAGEMENT, 337.

By: M. Coffer*, D. Graybill *, P. Whitman *, B. Schaeffer*, W. Salls *, R. Zimmerman *, V. Hill *, M. Lebrasse  n ...

author keywords: Coastal monitoring; Seagrass; WorldView-2; WorldView-3; Satellite remote sensing; Image classification
MeSH headings : United States; Ecosystem; Satellite Imagery; Environmental Monitoring / methods
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: May 1, 2023

2022 journal article

A validation of satellite derived cyanobacteria detections with state reported events and recreation advisories across US lakes

HARMFUL ALGAE, 115.

By: P. Whitman *, B. Schaeffer*, W. Salls *, M. Coffer n, S. Mishra *, B. Seegers*, K. Loftin *, R. Stumpf *, P. Werdell *

author keywords: Satellite; Water quality; Cyanobacteria; Human health; Recreation advisory; Validation
MeSH headings : Animals; Biomass; Cyanobacteria; Harmful Algal Bloom; Lakes / microbiology; Recreation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: June 20, 2022

2022 article

Temporal Stability of Seagrass Extent, Leaf Area, and Carbon Storage in St. Joseph Bay, Florida: a Semi-automated Remote Sensing Analysis

Lebrasse, M. C., Schaeffer, B. A., Coffer, M. M., Whitman, P. J., Zimmerman, R. C., Hill, V. J., … Osburn, C. L. (2022, March 15). ESTUARIES AND COASTS, Vol. 3.

By: M. Lebrasse *, B. Schaeffer*, M. Coffer*, P. Whitman *, R. Zimmerman *, V. Hill *, K. Islam *, J. Li *, C. Osburn n 

author keywords: Seagrass; Submerged aquatic vegetation; Leaf area index; Carbon; Landsat; Trend analysis
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 4, 2022

2022 journal article

Vertical artifacts in high-resolution WorldView-2 and WorldView-3 satellite imagery of aquatic systems

INTERNATIONAL JOURNAL OF REMOTE SENSING, 43(4), 1199–1225.

By: M. Coffer n, P. Whitman *, B. Schaeffer*, V. Hill *, R. Zimmerman *, W. Salls *, M. Lebrasse  n, D. Graybill *

author keywords: WorldView-3; WorldView-2; Time delay integration; Image acquisition; Banding; Striping
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: March 21, 2022

2021 journal article

Acute health effects associated with satellite-determined cyanobacterial blooms in a drinking water source in Massachusetts

ENVIRONMENTAL HEALTH, 20(1).

By: J. Wu *, E. Hilborn* , B. Schaeffer*, E. Urquhart *, M. Coffer n, C. Lin *, A. Egorov *

author keywords: Remote sensing; Drinking water; Human illness; Cyanobacteria; Harmful algal blooms; Satellite imagery; Respiratory; Gastrointestinal; Dermal
MeSH headings : Acute Disease; Air Pollutants / analysis; Cyanobacteria; Drinking Water / microbiology; Emergency Service, Hospital / statistics & numerical data; Environmental Monitoring; Eutrophication; Gastrointestinal Diseases / epidemiology; Humans; Massachusetts / epidemiology; Respiratory Tract Diseases / epidemiology; Satellite Imagery; Skin Diseases / epidemiology; Water Pollutants
TL;DR: A significant positive association was demonstrated between satellite-derived cyanobacterial concentrations in source water and respiratory illness occurring 2 days later, and future studies will require direct measures of cyanotoxins and health effects associated with exposure to cyanobacteria-impacted drinking water sources. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID
Added: July 26, 2021

2021 journal article

Assessing cyanobacterial frequency and abundance at surface waters near drinking water intakes across the United States

WATER RESEARCH, 201.

By: M. Coffer n, B. Schaeffer*, K. Foreman *, A. Porteous*, K. Loftin *, R. Stumpf *, P. Werdell *, E. Urquhart *, R. Albert *, J. Darling *

author keywords: Cyanobacteria; Drinking water; Source water quality; Remote sensing; Inland water; Water quality
MeSH headings : Cyanobacteria; Drinking Water; Environmental Monitoring; Eutrophication; Lakes; United States
TL;DR: This study presents the first large-scale assessment of cyanobacterial frequency and abundance of surface water near drinking water intakes across the United States, using satellite imagery from the European Space Agency's Ocean and Land Colour Instrument (OLCI) spanning June 2016 through April 2020. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 30, 2021

2021 journal article

Satellite remote sensing to assess cyanobacterial bloom frequency across the United States at multiple spatial scales

ECOLOGICAL INDICATORS, 128.

By: M. Coffer n, B. Schaeffer*, W. Salls *, E. Urquhart *, K. Loftin *, R. Stumpf *, P. Werdell *, J. Darling *

author keywords: Satellite remote sensing; Cyanobacteria; Inland waters; Water quality; Clustering analysis; Indicator
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: July 6, 2021

2020 article

A Review of Geospatial Content in IEEE Visualization Publications

2020 IEEE VISUALIZATION CONFERENCE - SHORT PAPERS (VIS 2020), pp. 51–55.

By: A. Yoshizumi n, M. Coffer n, E. Collins n, M. Gaines n , X. Gao n, K. Jones n , I. McGregor n , K. McQuillan n ...

Contributors: A. Yoshizumi n, M. Coffer n, E. Collins n, M. Gaines n , X. Gao n, K. Jones n , I. McGregor n , K. McQuillan n ...

author keywords: Human-centered computing; Visualization; Visualization application domains; Geographic visualization
TL;DR: An understanding of the quantity and role of geospatial subject matter in recent IEEE VIS publications is provided and supplies a foundation for future meta-analytical work around geosp spatial analytics and geovisualization that may shed light on opportunities for innovation. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021

2020 article

Balancing Privacy Rights and the Production of High-Quality Satellite Imagery

Coffer, M. M. (2020, June 2). ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol. 54, pp. 6453–6455.

By: M. Coffer n

UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: Web Of Science
Added: June 29, 2020

2020 journal article

Performance across WorldView-2 and RapidEye for reproducible seagrass mapping

REMOTE SENSING OF ENVIRONMENT, 250.

By: M. Coffer n, B. Schaeffer*, R. Zimmerman *, V. Hill *, J. Li *, K. Islam *, P. Whitman *

author keywords: Remote sensing; Atmospheric correction; WorldView-2; RapidEye; Seagrass; Image classification
TL;DR: The image processing routine developed here offers a reproducible workflow for WorldView-2 and RapidEye imagery, which was tested in two additional coastal systems and showed as much as 97% agreement with aerial estimates, despite differing resolutions. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: December 11, 2020

2020 journal article

Quantifying national and regional cyanobacterial occurrence in US lakes using satellite remote sensing

ECOLOGICAL INDICATORS, 111.

By: M. Coffer n, B. Schaeffer*, J. Darling *, E. Urquhart * & W. Salls *

author keywords: Remote sensing; Harmful algal blooms; Cyanobacteria; Water quality; Inland waters
TL;DR: Using data from the European Space Agency Envisat MEdium Resolution Imaging Spectrometer and the Sentinel-3 Ocean and Land Color Instrument to provide a national overview of the percentage of lakes experiencing a cyanobacterial bloom on a weekly basis for 2008–2011, 2017, and 2018 establishes a baseline of annual occurrence of cyanobacteria blooms in inland lakes across the United States. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: March 10, 2020

2019 journal article

Variability in Trends and Indicators of CO2 Exchange Across Arctic Wetlands

JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 124(5), 1248–1264.

By: M. Coffer n & E. Hestir n

author keywords: Arctic wetlands; carbon dioxide; net ecosystem exchange; NDVI; eddy covariance
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 19, 2019

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