Search Results - "McClain, Charles R"

A Decade of Satellite Ocean Color Observations by McClain, Charles R.

“…After the successful Coastal Zone Color Scanner (CZCS, 1978-1986), demonstration that quantitative estimations of geophysical variables such as chlorophyll a…”
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THE PLANKTON, AEROSOL, CLOUD, OCEAN ECOSYSTEM MISSION: Status, Science, Advances by Werdell, P. Jeremy, Behrenfeld, Michael J., Bontempi, Paula S., Boss, Emmanuel, Cairns, Brian, Davis, Gary T., Franz, Bryan A., Gliese, Ulrik B., Gorman, Eric T., Hasekamp, Otto, Knobelspiesse, Kirk D., Mannino, Antonio, Martins, J. Vanderlei, McClain, Charles R., Meister, Gerhard, Remer, Lorraine A.

“…The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission represents the National Aeronautics and Space Administration’s (NASA) next investment in satellite…”
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Chlorophyll Variability in the Oligotrophic Gyres: Mechanisms, Seasonality and Trends by Signorini, Sergio R., Franz, Bryan A., McClain, Charles R.

“…A 16-year (1998-2013) analysis of trends and seasonal patterns was conducted for the 5 subtropical ocean gyres using chlorophyll-a (Chl-a) retrievals from…”
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Recent trends in global ocean chlorophyll by Gregg, Watson W., Casey, Nancy W., McClain, Charles R.

“…A 6‐year time series of remotely‐sensed global ocean chlorophyll was evaluated using linear regression analysis to assess recent trends. Global ocean…”
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Regional and seasonal variability of chlorophyll-a in Chesapeake Bay as observed by SeaWiFS and MODIS-Aqua by Werdell, P. Jeremy, Bailey, Sean W., Franz, Bryan A., Harding, Lawrence W., Feldman, Gene C., McClain, Charles R.

“…Concentrations of the phytoplankton pigment chlorophyll-a ( C a) provide indicators of nutrient over-enrichment that has negatively affected Chesapeake Bay,…”
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Cross calibration of ocean-color bands from moderate resolution imaging spectroradiometer on Terra platform by Kwiatkowska, Ewa J, Franz, Bryan A, Meister, Gerhard, McClain, Charles R, Xiong, Xiaoxiong

“…Ocean-color applications require maximum uncertainties in blue-wavelength water-leaving radiances in oligotrophic ocean of approximately 5%. Water-leaving…”
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Environmental factors controlling the Barents Sea spring-summer phytoplankton blooms by Signorini, Sergio R., McClain, Charles R.

“…We provide an analysis of the seasonal change of the physical forcing factors and their impact on the timing and intensity of phytoplankton blooms in the…”
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Variability of upwelling and chlorophyll in the equatorial Atlantic by Grodsky, Semyon A., Carton, James A., McClain, Charles R.

“…The primary seasonal phytoplankton bloom in the equatorial Atlantic occurs in boreal summer in response to seasonal strengthening of zonal winds. However, the…”
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Study of the Sea-Viewing Wide Field-of-View Sensor (SeaWiFS) aerosol optical property data over ocean in combination with the ocean color products by Wang, Menghua, Knobelspiesse, Kirk D., McClain, Charles R.

“…The primary goals of the Sea‐Viewing Wide Field‐of‐View Sensor (SeaWiFS) are to routinely provide the global ocean color and ocean bio‐optical property data…”
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Effects of Penetrative Radiation on the Upper Tropical Ocean Circulation by Murtugudde, Raghu, Beauchamp, James, McClain, Charles R., Lewis, Marlon, Busalacchi, Antonio J.

“…The effects of penetrative radiation on the upper tropical ocean circulation have been investigated with an ocean general circulation model (OGCM) with…”
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Biospheric Primary Production during an ENSO Transition by Behrenfeld, Michael J., Randerson, James T., McClain, Charles R., Feldman, Gene C., Los, Sietse O., Tucker, Compton J., Falkowski, Paul G., Field, Christopher B., Frouin, Robert, Esaias, Wayne E., Kolber, Dorota D., Pollack, Nathan H.

“…The Sea-viewing Wide Field-of-view Sensor (SeaWiFS) provides global monthly measurements of both oceanic phytoplankton chlorophyll biomass and light harvesting…”
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Environmental factors controlling the phytoplankton blooms at the Patagonia shelf-break in spring by Garcia, Virginia M.T., Garcia, Carlos A.E., Mata, Mauricio M., Pollery, Ricardo C., Piola, Alberto R., Signorini, Sergio R., McClain, Charles R., Iglesias-Rodriguez, M. Débora

“…The shelf-break front formed between Argentinean shelf waters and the Malvinas Current (MC) flow shows a conspicuous band of high phytoplankton biomass…”
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Large-scale forcing impact on biomass variability in the South Atlantic Bight by Signorini, Sergio R., McClain, Charles R.

“…The Gulf Stream western front (GSF) follows the shelf slope topography for a great extent of the South Atlantic Bight (SAB). Sub‐surface intrusions of the Gulf…”
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Seasonal and interannual variability of calcite in the vicinity of the Patagonian shelf break (38°S–52°S) by Signorini, Sergio R., Garcia, Virginia M. T., Piola, Alberto R., Garcia, Carlos A. E., Mata, Mauricio M., McClain, Charles R.

“…The timing and duration of coccolithophore blooms along the Patagonian shelf break, as well as insights on the mechanisms that drive and maintain these blooms,…”
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Climate-driven trends in contemporary ocean productivity by McClain, Charles R, Feldman, Gene C, Siegel, David A, Sarmiento, Jorge L, Milligan, Allen J, O'Malley, Robert T, Falkowski, Paul G, Letelier, Ricardo M, Boss, Emmanuel S, Behrenfeld, Michael J

“…Contributing roughly half of the biosphere's net primary production (NPP), photosynthesis by oceanic phytoplankton is a vital link in the cycling of carbon…”
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Effect of uncertainties in climatologic wind, ocean pCO2, and gas transfer algorithms on the estimate of global sea-air CO2 flux by Signorini, Sergio R., McClain, Charles R.

“…This paper addresses the uncertainties of global sea‐air CO2 flux estimated on the basis of the sea‐air pCO2 differences and sea‐air CO2 gas transfer rate…”
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Long-term changes in light scattering in Chesapeake Bay inferred from Secchi depth, light attenuation, and remote sensing measurements by Gallegos, Charles L., Werdell, P. Jeremy, McClain, Charles R.

“…The relationship between the Secchi depth (Z(sub SD)) and the diffuse attenuation coefficient for photosynthetically active radiation (K(sub d)(PAR)), and in…”
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Genesis and Evolution of NASA’s Satellite Ocean Color Program by McClain, Charles R., Franz, Bryan A., Werdell, P. Jeremy

“…We recount, based on our involvements in NASA ocean color flight projects, the chronology of technical challenges, lessons learned, and key developments over…”
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Corrections to the Calibration of MODIS Aqua Ocean Color Bands Derived From SeaWiFS Data by Meister, G., Franz, B. A., Kwiatkowska, E. J., McClain, C. R.

“…The National Aeronautics and Space Administration ocean color products of Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and Moderate Resolution Imaging…”
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An overview of the SeaWiFS project and strategies for producing a climate research quality global ocean bio-optical time series by McClain, Charles R., Feldman, Gene C., Hooker, Stanford B.

“…The Sea-viewing Wide Field-of-view Sensor (SeaWiFS) Project Office was formally initiated at the NASA Goddard Space Flight Center in 1990. Seven years later,…”
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