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Dynamics of temperature and chlorophyll
Dynamics of temperature and chlorophyll

Research Article
Research Article

Applications of ocean transport modelling  Hanna Corell
Applications of ocean transport modelling Hanna Corell

... is transported by the ocean and on the cycling and storage of chemical species such as carbon dioxide in the deep sea, and thus has a strong influence on the Earth’s climate (Kuhlbrodt et al. 2007). The net northward heat transport in the Atlantic is the reason for the comparatively mild climate in ...
Sedimentation of organic and inorganic
Sedimentation of organic and inorganic

... in t h e plankton during this period. Possibly, different sources for sedimentation of PIM a n d POC can also have caused seasonal varlations in the POC content of the TPM. The POC/PON-ratio of the sedimented material varied both with season a n d depth (Fig. 3b and 4), revealing changes in the comp ...
Observed development of the vertical structure of the marine
Observed development of the vertical structure of the marine

... very different from those of the open ocean, particularly for what concerns the amount of water vapour at the atmospheric surface (Schiano et al., 2000). The Ligurian Sea is the most inland sea of the Mediterranean; the northern part is bounded by Alps, and the Southern part by the Corsica Island. T ...
Geophysical Research Letters RESEARCH LETTER Abstract
Geophysical Research Letters RESEARCH LETTER Abstract

Microbial community structure in the<br />North Pacific ocean
Microbial community structure in the
North Pacific ocean


... of the tag sequences occurring in the second database from the z axis, which are phylogenetically ‘accounted for’ in the first database from the z axis. This analysis takes into account both tag identity and tag abundance and provides a measure of the proportion of the total number of tag sequences ...
Water-Mass Transformations in a Neutral Density Framework and
Water-Mass Transformations in a Neutral Density Framework and

It's a Breve new world for nitrogen research at VIMS
It's a Breve new world for nitrogen research at VIMS

... cells in the colony. It is this dissolved organic nitrogen, Bronk and her colleagues believe, that leaks into the surrounding water and later stimulates the growth of G. breve. The team’s hypothesis is based partly on the process of elimination, as measurements show that inputs of nitrogen from rive ...
primary production methods - Center for Microbial Oceanography
primary production methods - Center for Microbial Oceanography

... primary production with a broad variety of methods and for interpreting the measurements in a range of scientiRc contexts. It is nonetheless useful to deRne three components of primary production that can be estimated from measurements in closed systems: E Gross primary production (Pg ) is the rate ...
Primary production profiles in the ocean : estimation from
Primary production profiles in the ocean : estimation from

... between in situ profile and incubation box. Each irradiance, L1, L2, ... Ln, represents a measured depth, Dl, D2, ... Dn (Fig. 1 a), and the samples in the incubation box represent a profile of measured production. With the number of samples N = 20 taken over a depth range of 0 to 60m, the vertical ...
4.4. Phytoplankton and primary productivity off Northwest Africa The
4.4. Phytoplankton and primary productivity off Northwest Africa The

Diversity and Expression of RubisCO Genes in a Perennially Ice
Diversity and Expression of RubisCO Genes in a Perennially Ice

... nitrogen species were determined with a Lachat autoanalyzer, using methods described by Priscu (37). Owing to the low levels of soluble reactive phosphorus (SRP) in Lake Bonney, SRP was analyzed manually using the antimony-molybdate method (45) with a 10-cm-path-length cuvette. In situ Chl a was det ...
Explicitly resolved vs parameterized mesoscale processes
Explicitly resolved vs parameterized mesoscale processes

... synthetic view of the basin-wide transport with a northward warm and salty flow at the surface and an equatorward cold and fresh flow at depth. The latter is dominated by the Deep Western Boundary Current (DWBC) which exports to the south dense water masses such as the Labrador Sea Water (LSW) forme ...
Zooplankton abundance and secondary production in the seas
Zooplankton abundance and secondary production in the seas

... Rangarajan and Marichamy (1972) highlighted the seasonal changes occurring in the zooplankton standing stock off Port Blair during 1964-70 and Marichamy (1983) on the zooplankton of the nearshore waters of the Andaman sea during February-April. Recently Mathew et al. (1990 a) estimated the zooplankt ...
Full text in pdf format
Full text in pdf format

... mesopelagic zone, and also those being introduced into this layer by sedimentation, have the capability to respond or adapt rapidly to nutrient changes. The strength of response may depend on factors such as physical and chemical properties of sedimenting particles, residence time in the mesopelagic ...
Photosynthesis in the Ocean as a Function of Light Intensity
Photosynthesis in the Ocean as a Function of Light Intensity

Modelling phytoplankton succession on the Bering
Modelling phytoplankton succession on the Bering

geohab core research project: second open science meeting
geohab core research project: second open science meeting

... OSM, followed by recommendations for future collaborative studies. These recommendations include the maintenance of international activities on the ecology and oceanography of HABs after the end of the GEOHAB programme in December 2013. A future agenda should focus on a few key questions with clearl ...
Harmful Algal Blooms and Climate Change
Harmful Algal Blooms and Climate Change

... or semi-operational HAB forecasts rely on a tight coupling between observation and models. The diverse group of phytoplankton that are classed as HABs do not belong to a single biological or evolutionary group, but span the majority of algal taxonomic groups. Climate variability that impact phytopla ...
sccwrp # 0898 - FTP Directory Listing
sccwrp # 0898 - FTP Directory Listing

Vincent et al.—Oceanic water masses around South Island
Vincent et al.—Oceanic water masses around South Island

... above that depth could be readily disrupted by mixing. As recorded in all of the west coast profiles during this cruise, maximum chlorophyll a concentrations occurred well below the surface with a substantial decline in biomass at and below the region of steeply rising sigma-t. The fluorescence prof ...
Angus Mackenzie - Water Column Effects Harmful Algae Blooms
Angus Mackenzie - Water Column Effects Harmful Algae Blooms

... overlying colder deeper waters. Vertical salinity gradients also play an important role in the stratification of coastal sea waters. The development of a strongly stratified water column occurs more frequently in sheltered embayments with weak current flows, minimal turbulence and long water residen ...
Harmful Algal Blooms and Climate Change
Harmful Algal Blooms and Climate Change

... or semi-operational HAB forecasts rely on a tight coupling between observation and models. The diverse group of phytoplankton that are classed as HABs do not belong to a single biological or evolutionary group, but span the majority of algal taxonomic groups. Climate variability that impact phytopla ...
ss-Cr-226
ss-Cr-226

... Usually Dissolved Oxygen showed higher concentrations at surface, followed by a sudden decrease to a minimum. At higher depths, the values showed a slight increase. From the observations, it was found that the values of dissolved oxygen fall rapidly from 100 m downwards. An oxygen poor layer was obs ...
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Critical Depth

In biological oceanography, 'Critical Depth' is defined as a hypothesized surface mixing depth at which phytoplankton growth is precisely matched by losses of phytoplankton biomass within this depth interval.
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