Articles with "chlorophyll concentration" as a keyword



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Modification of sea surface temperature by chlorophyll concentration in the Atlantic upwelling systems

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jc012330

Abstract: The influence of the chlorophyll on the upper Tropical Atlantic ocean is investigated with long term (1979-2012) regional oceanic simulations with 1/4° horizontal resolution based on the NEMO3.6 model. The model solar radiation penetration scheme… read more here.

Keywords: chlorophyll concentration; surface; chlorophyll; sea surface ... See more keywords
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Spatial and Temporal Patterns of Chlorophyll Concentration in the Southern California Bight

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Published in 2018 at "Journal of Geophysical Research"

DOI: 10.1002/2017jc013324

Abstract: Distinguishing between local, anthropogenic nutrient inputs and large-scale climatic forcing as drivers of coastal phytoplankton biomass is critical to developing effective nutrient management strategies. Here we assess the relative importance of these two drivers by… read more here.

Keywords: southern california; patterns chlorophyll; spatial temporal; chlorophyll concentration ... See more keywords
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Evaluation of a portable chlorophyll optical meter to estimate chlorophyll concentration in the green seaweed Ulva ohnoi

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Published in 2020 at "Journal of Applied Phycology"

DOI: 10.1007/s10811-020-02257-3

Abstract: In situ measurement of chlorophyll concentration, with an optical meter, in the green seaweed Ulva ohnoi is presented to estimate the absolute chlorophyll content. The MC-100 optical meter (Apogee Instruments) was used during the study;… read more here.

Keywords: chlorophyll content; optical meter; chlorophyll; chlorophyll concentration ... See more keywords
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Interannual variability of the Chlorophyll-a concentration over Sri Lankan Dome in the Bay of Bengal

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Published in 2020 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2020.1727057

Abstract: ABSTRACT This study investigates the interannual variability of the surface and subsurface Chlorophyll-a Concentration (CC) over the Sri Lankan Dome (SLD) in the Bay of Bengal (BoB) and its possible linkages to local wind-induced upwelling… read more here.

Keywords: concentration sri; chlorophyll concentration; chlorophyll; interannual variability ... See more keywords
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Landsat 8/OLI Two Bands Ratio Algorithm for Chlorophyll-A Concentration Mapping in Hypertrophic Waters: An Application to West Lake in Hanoi (Vietnam)

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Published in 2017 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2017.2739184

Abstract: Monitoring chlorophyll-a concentration (Chl-a) in inland waters, particularly hypertrophic lake waters in megacities, is a critically important environmental issue. To enable long-term Chl-a monitoring using Landsat series sensors, development of a Chl-a estimation algorithm for… read more here.

Keywords: west lake; hypertrophic waters; chl; chlorophyll concentration ... See more keywords
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Progressive scheme for blending empirical ocean color retrievals of absorption coefficient and chlorophyll concentration from open oceans to highly turbid waters.

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Published in 2019 at "Applied optics"

DOI: 10.1364/ao.58.003359

Abstract: To achieve a smooth transition between algorithms for "clear" water and "turbid" water, we propose a single formula to calculate the input parameter (ip) used for empirical retrieval of absorption coefficients (a) or chlorophyll concentration… read more here.

Keywords: highly turbid; chlorophyll concentration; ipmax sum; turbid waters ... See more keywords
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Deriving vertical profiles of chlorophyll-a concentration in the upper layer of seawaters using ICESat-2 photon-counting lidar.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.463622

Abstract: Chlorophyll-a concentration (chl-a) is a great indicator for estimating phytoplankton biomass and productivity levels and is also particularly useful for monitoring the water quality, biodiversity and species distribution, and harmful algal blooms. A great deal… read more here.

Keywords: concentration; counting lidar; chlorophyll concentration; vertical profiles ... See more keywords
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Distributed Computing Model of Multispectral Time Series Data Analysis for Chlorophyll Concentration Determination Using Ocean Color Monitor-2 Data

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Published in 2019 at "Journal of Testing and Evaluation"

DOI: 10.1520/jte20180553

Abstract: In general, the ocean color monitor sensor (OCM) is used to identify and monitor the phytoplankton bloom and fishing zones. In the ocean, there is a food chain among plants and fish, and by calculating… read more here.

Keywords: concentration; monitor; ocean color; chlorophyll concentration ... See more keywords
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Estimating Chlorophyll Concentration Index in Sugar Beet Leaves Using an Artificial Neural Network

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Published in 2019 at "Polish Journal of Environmental Studies"

DOI: 10.15244/pjoes/95031

Abstract: The artificial neural network (ANN) method was used in this study for predicting sugar beet (Beta vulgaris L.) leaf chlorophyll concentration from leaves. The experiment was carried out in field conditions in 2015-2016. In this… read more here.

Keywords: neural network; chlorophyll concentration; artificial neural; sugar beet ... See more keywords
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Forecasting Ocean Chlorophyll in the Equatorial Pacific

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Published in 2017 at "Frontiers in Marine Science"

DOI: 10.3389/fmars.2017.00236

Abstract: Using a global ocean biogeochemical model combined with a forecast of physical oceanic and atmospheric variables from the NASA Global Modeling and Assimilation Office, we assess the skill of a chlorophyll concentrations forecast in the… read more here.

Keywords: chlorophyll concentration; equatorial pacific; month lead; month ... See more keywords
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Enhanced chlorophyll-a concentration in the wake of Sable Island, eastern Canada, revealed by two decades of satellite observations: a response to grey seal population dynamics?

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Published in 2021 at "Biogeosciences Discussions"

DOI: 10.5194/bg-2021-55

Abstract: Abstract. Elevated surface chlorophyll-a concentration, an index of phytoplankton biomass, has been previously observed and documented by remote sensing in the waters to the southwest of Sable Island (SI) on the Scotian Shelf in eastern… read more here.

Keywords: chl; chlorophyll concentration; seal population; biomass ... See more keywords