搜索结果: 1-7 共查到“海洋地球物理学 nitrate”相关记录7条 . 查询时间(0.081 秒)
Nitrogen fixation and dissimilatory nitrate reduction to ammonium (DNRA) support nitrogen dynamics in Texas estuaries
Nitrogen fi xation dissimilatory nitrate
2014/4/30
We conducted continuous-flow experiments on intact sediment cores from Laguna Madre, Sabine Lake, East
Matagorda Bay, and Nueces Estuary to evaluate internal nitrogen (N) sources, sinks, and re...
Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle
Mapping the spatial metabolism using nitrate
2014/4/18
It is now possible to make highly resolved vertical (,1 m) and horizontal (3 m at constant depth and ,400 m
when undulating from surface to 100 m) measurements of nitrate concentration in the upper o...
Nitrogen isotopic fractionation associated with growth on dinitrogen gas and nitrate by cyanobacteria
Nitrogen isotopic fractionation associated cyanobacteria
2014/4/18
This study investigated the bulk nitrogen isotopic composition and fractionation of marine and freshwater
cyanobacteria growing at the expense of atmospheric dinitrogen gas (N2) or nitrate (NO{
3
)...
Iodine assimilation by marine diatoms and other phytoplankton in nitrate-replete conditions
marine diatoms Iodine assimilation
2014/4/17
Several marine phytoplankton species, primarily diatoms, were examined for the accumulation of iodide (10
species) and iodate (9 species) using radioactive iodine-125 in f/2 artificial seawater, a ni...
Seasonal dynamics of new production from Trichodesmium N2 fixation and nitrate uptake in the upstream Kuroshio and South China Sea basin
Seasonal dynamics Trichodesmium N2 fixation
2014/4/21
The seasonal dynamics of primary production in the upstream Kuroshio was studied to understand why
pelagic fish are relatively populous in this oligotrophic tropical ocean region. The relative import...
Coupled nitrogen and oxygen isotope fractionation of nitrate during assimilation by cultures of marine phytoplankton
Coupled nitrogen oxygen isotope fractionation
2014/5/19
We report the first measurements of coupled nitrogen (N) and oxygen (O) isotopic variations of nitrate (NO )2
3
during its assimilation by laboratory cultures of marine phytoplankton and deriv...
Effects of ultraviolet-B radiation and vertical mixing on nitrogen uptake by a natural planktonic community shifting from nitrate to silicic acid deficiency
ltraviolet-B radiation vertical mixing
2014/5/20
We investigated the combined effects of mixing regimes and ultraviolet-B radiation (UVBR: 280–320 nm) on
the uptake of nitrate, ammonium, and urea by an estuarine phytoplankton community during a 10-...