Blake Schaeffer

Works (18)

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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, S. Mishra*, B. Seegers*, K. Loftin *, R. Stumpf *, P. Werdell *

author keywords: Satellite; Water quality; Cyanobacteria; Human health; Recreation advisory; Validation
Source: Web Of Science
Added: June 20, 2022

2022 journal article

Simulated response of St. Joseph Bay, Florida, seagrass meadows and their belowground carbon to anthropogenic and climate impacts

MARINE ENVIRONMENTAL RESEARCH, 179.

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

author keywords: Seagrass; Climate; Water quality; GrassLight; Submerged aquatic vegetation
Sources: Web Of Science, ORCID
Added: September 26, 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  n, B. Schaeffer, M. Coffer, P. Whitman*, R. Zimmerman *, V. Hill *, K. Islam *, J. Li *, C. Osburn 

author keywords: Seagrass; Submerged aquatic vegetation; Leaf area index; Carbon; Landsat; Trend analysis
Sources: Web Of Science, ORCID
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, 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
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, C. Lin*, A. Egorov *

author keywords: Remote sensing; Drinking water; Human illness; Cyanobacteria; Harmful algal blooms; Satellite imagery; Respiratory; Gastrointestinal; Dermal
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, 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
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, 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
Source: Web Of Science
Added: July 6, 2021

2020 journal article

Performance across WorldView-2 and RapidEye for reproducible seagrass mapping

REMOTE SENSING OF ENVIRONMENT, 250.

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

author keywords: Remote sensing; Atmospheric correction; WorldView-2; RapidEye; Seagrass; Image classification
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, B. Schaeffer, J. Darling*, E. Urquhart * & W. Salls *

author keywords: Remote sensing; Harmful algal blooms; Cyanobacteria; Water quality; Inland waters
Source: Web Of Science
Added: March 10, 2020

2009 journal article

LIPID CLASS, CAROTENOID, AND TOXIN DYNAMICS OF KARENIA BREVIS (DINOPHYCEAE) DURING DIEL VERTICAL MIGRATION

JOURNAL OF PHYCOLOGY, 45(1), 154–163.

By: B. Schaeffer, D. Kamykowski, L. McKay, G. Sinclair & E. Milligan

author keywords: behavior; brevetoxins; dinoflagellate; epoxidation state; lipids
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Tropical instability wave interactions within the Galapagos Archipelago

DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 56(8), 1217–1229.

By: W. Sweet, J. Morrison, Y. Liu, D. Kamykowski, B. Schaeffer, L. Xie, S. Banks*

author keywords: Tropical instability waves; Upwelling; Eastern equatorial pacific; Galapagos; Chlorophyll
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Phytoplankton biomass distribution and identification of productive habitats within the Galapagos Marine Reserve by MODIS, a surface acquisition system, and in-situ measurements

REMOTE SENSING OF ENVIRONMENT, 112(6), 3044–3054.

By: B. Schaeffer, J. Morrison, D. Kamykowski, G. Feldman*, L. Xie, Y. Liu  n, W. Sweet, A. McCulloch n, S. Banks*

author keywords: chlorophyll a; MODIS; surface acquisition system; Galapagos Marine Reserve; phytoplankton; biomass; El Nino; productive habitats
Source: Web Of Science
Added: August 6, 2018

2007 journal article

A comparison of photoresponse among ten different Karenia brevis (Dinophyceae) isolates

JOURNAL OF PHYCOLOGY, 43(4), 702–714.

By: B. Schaeffer, D. Kamykowski, L. McKay, G. Sinclair & E. Milligan

author keywords: carbon; cell division rate; culture; dinoflagellate; F-v/F-m; Karenia brevis; P-E curve; photoinhibition
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Water mass seasonal variability in the Galapagos archipelago

DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 54(12), 2023–2035.

By: W. Sweet, J. Morrison, D. Kamykowski, B. Schaeffer, S. Banks* & A. McCulloch n

author keywords: Galapagos; eastern Pacific; equatorial undercurrent; upwelling; water masses
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Comparison of swimming speed and photophysiological responses to different external conditions among three Karenia brevis strains

HARMFUL ALGAE, 5(6), 623–636.

By: L. McKay n, D. Kamykowski, E. Milligan, B. Schaeffer & G. Sinclair

author keywords: behavior; dinoflagellate; intraspecies comparison; Karenia brevis
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Nitrate uptake by Karenia brevis. I. Influences of prior environmental exposure and biochemical state on diel uptake of nitrate

MARINE ECOLOGY PROGRESS SERIES, 328, 117–124.

By: G. Sinclair, D. Kamykowski, E. Milligan & B. Schaeffer

author keywords: Karenia brevis; dinoflagellate; physiology; nocturnal uptake; vertical migration
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Nitrate uptake by Karenia brevis. II. Behavior and uptake physiology in a nitrate-depleted mesocosm with a bottom nutrient source

MARINE ECOLOGY PROGRESS SERIES, 328, 125–131.

By: G. Sinclair, D. Kamykowski, E. Milligan & B. Schaeffer

author keywords: Karenia brevis; dinoflagellate; physiology; nocturnal uptake; vertical migration; sediment
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Coastal ocean observing technology transfer to educators

MARINE TECHNOLOGY SOCIETY JOURNAL, 39(4), 78–82.

By: L. Spence, B. Schaeffer, C. Thomas , T. Hathaway & M. Olsen

Sources: Web Of Science, ORCID
Added: August 6, 2018