Search Results - "NELSON, Norman B"

The Global Distribution and Dynamics of Chromophoric Dissolved Organic Matter by Nelson, Norman B, Siegel, David A

“…Chromophoric dissolved organic matter (CDOM) is a ubiquitous component of the open ocean dissolved matter pool, and is important owing to its influence on the…”
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Dissolved organic carbon export and subsequent remineralization in the mesopelagic and bathypelagic realms of the North Atlantic basin by Carlson, Craig A., Hansell, Dennis A., Nelson, Norman B., Siegel, David A., Smethie, William M., Khatiwala, Samar, Meyers, Meredith M., Halewood, Elisa

“…Dissolved organic carbon (DOC) data are presented from three meridional transects conducted in the North Atlantic as part of the US Climate Variability…”
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Tracing global biogeochemical cycles and meridional overturning circulation using chromophoric dissolved organic matter by Nelson, Norman B., Siegel, David A., Carlson, Craig A., Swan, Chantal M.

“…Basin‐scale distributions of light absorption by chromophoric dissolved organic matter (CDOM) are positively correlated (R2 > 0.8) with apparent oxygen…”
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The effect of surface irradiance on the absorption spectrum of chromophoric dissolved organic matter in the global ocean by Swan, Chantal M., Nelson, Norman B., Siegel, David A., Kostadinov, Tihomir S.

“…The cycling pathways of chromophoric dissolved organic matter (CDOM) within marine systems must be constrained to better assess the impact of CDOM on surface…”
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Optical Signatures of Dissolved Organic Matter Transformation in the Global Ocean by Nelson, Norman B, Gauglitz, Julia M

“…Characterization of dissolved organic matter in terms of its composition and optical properties, with an eye toward ultimately understanding its deep ocean…”
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Hydrography of chromophoric dissolved organic matter in the North Atlantic by Nelson, Norman B., Siegel, David A., Carlson, Craig. A., Swan, Chantal, Smethie, William M., Khatiwala, Samar

“…The distribution and optical absorption characteristics of chromophoric dissolved organic matter (CDOM) were systematically investigated along three meridional…”
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Independence and interdependencies among global ocean color properties: Reassessing the bio-optical assumption by Siegel, David A., Maritorena, Stéphane, Nelson, Norman B., Behrenfeld, Michael J.

“…The bio‐optical assumption states that ocean optical properties should covary with the chlorophyll concentration. However, chlorophyll is not the only…”
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Biogeochemical and hydrographic controls on chromophoric dissolved organic matter distribution in the Pacific Ocean by Swan, Chantal M., Siegel, David A., Nelson, Norman B., Carlson, Craig A., Nasir, Elora

“…Recent in situ observations of chromophoric dissolved organic material (CDOM) in the Pacific Ocean reveal the biogeochemical controls on CDOM and indicate…”
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The Utility of Satellites and Autonomous Remote Sensing Platforms for Monitoring Offshore Aquaculture Farms: A Case Study for Canopy Forming Kelps by Bell, Tom W., Nidzieko, Nick J., Siegel, David A., Miller, Robert J., Cavanaugh, Kyle C., Nelson, Norman B., Reed, Daniel C., Fedorov, Dmitry, Moran, Christopher, Snyder, Jordan N., Cavanaugh, Katherine C., Yorke, Christie E., Griffith, Maia

“…The emerging sector of offshore kelp aquaculture represents an opportunity to produce biofuel feedstock to help meet growing energy demand. Giant kelp…”
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Controls on Ocean Color Spectra Observed During the North Atlantic Aerosols and Marine Ecosystems Study (NAAMES) by Allen, James G., Siegel, David A., Nelson, Norman B., Halewood, Stuart

“…Satellite ocean color remote sensing is the primary method to retrieve synoptic measurements of the optical properties of the ocean on large spatial and…”
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Production of chromophoric dissolved organic matter by Sargasso Sea microbes by Nelson, Norman B, Carlson, Craig A, Steinberg, Deborah K

“…Time series of chromophoric dissolved organic matter (CDOM) light absorption coefficients indicate a local origin for a large fraction of the CDOM in the upper…”
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Diel Carbon Monoxide Cycling in the Upper Sargasso Sea Near Bermuda at the Onset of Spring and in Midsummer by Zafiriou, Oliver C., Xie, Huixiang, Nelson, Norman B., Najjar, Raymond G., Wang, Wei

“…Rapid bio-oxidation of carbon monoxide (CO), a photoproduct of dissolved organic matter, results in diel cycles reflecting…”
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Photolysis and the Dimethylsulfide (DMS) Summer Paradox in the Sargasso Sea by Toole, Dierdre A., Kieber, David J., Kiene, Ronald P., Siegel, David A., Nelson, Norman B.

“…Apparent quantum yields and rates of dimethylsulfide (DMS) photolysis were determined from Sargasso Sea seawater with the goal of assessing the extent to which…”
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Seasonal Cycle of Phytoplankton UV Absorption at the Bermuda Atlantic Time-Series Study (BATS) Site by Morrison, J. Ruairidh, Nelson, Norman B.

“…Measurements of the phytoplankton absorption coefficient $a_{\text{ph}}(\lambda)$, at the Bermuda Atlantic Times-series Study (BATS) site demonstrated a…”
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Quantifying Biogeochemical Controls of Open Ocean CDOM From a Global Mechanistic Model by Yamamoto, Kana, DeVries, Tim, Siegel, David A., Nelson, Norman B.

“…Chromophoric dissolved organic matter (CDOM) is an important part of ocean carbon biogeochemistry with relevance to long‐term observations of ocean biology due…”
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A model for remote estimation of ultraviolet absorption by chromophoric dissolved organic matter based on the global distribution of spectral slope by Swan, Chantal M., Nelson, Norman B., Siegel, David A., Fields, Erik A.

“…Absorption of ultraviolet radiation (UV, 280–400nm) by chromophoric dissolved organic matter (CDOM) precedes a host of light-sensitized surface ocean processes…”
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Particle cycling rates at Station P as estimated from the inversion of POC concentration data by Amaral, Vinícius J., Lam, Phoebe J., Marchal, Olivier, Roca-Martí, Montserrat, Fox, James, Nelson, Norman B.

“…Particle cycling rates in marine systems are difficult to measure directly, but of great interest in understanding how carbon and other elements are…”
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Production of chromophoric dissolved organic matter (CDOM) in the open ocean by zooplankton and the colonial cyanobacterium Trichodesmium spp by STEINBERG, Deborah K, NELSON, Norman B, CARLSON, Craig A, PRUSAK, Anne C

“…Chromophoric (or colored) dissolved organic matter (CDOM) has been identified as a major determinant of the optical properties of oligotrophic oceans. The…”
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Spatial variability of the CO2 sink in the Sargasso Sea by NELSON, Norman B, BATES, Nicholas R, SIEGEL, David A, MICHAELS, Anthony F

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Regional patterns of physiological condition determine giant kelp net primary production dynamics by Bell, Tom W., Reed, Daniel C., Nelson, Norman B., Siegel, David A.

“…Photoautotrophs vary the concentration of photosynthetic pigments in response to changing environmental conditions. In the ocean, the chlorophyll a to carbon…”
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