Limnology and Oceanography: Methods
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An approach to correct the effects of phytoplankton vertical nonuniform distribution on remote sensing reflectance of cyanobacterial bloom watersAbstract Cyanobacterial blooms occur frequently in eutrophic lakes and their potentially harmful effects affected the security of drinking water and food sources, biodiversity, and economic activities, and attracted the attention of general public worldwide. Cyanobacteria could move vertically in the water column by regulating their buoyancy, which leads to the assu... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 15 Số 3 - Trang 302-319 - 2017
Application of cross‐flow ultrafiltration for isolating exopolymeric substances from a marine diatom (Amphora sp.)The increasing recognition of the roles that exopolymeric substances (EPS) play in the aquatic environment necessitates obtaining sufficient quantities of purified EPS for exploration of its physical, chemical, and biological properties, as well as for quantitative and structural analysis of its composition. For this purpose, three preconcentration/ purification techniques, i.e., 1) ethano... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 7 Số 6 - Trang 419-429 - 2009
WACODI: A generic algorithm to derive the intrinsic color of natural waters from digital imagesAbstract This document presents the WAter COlor from Digital Images (WACODI) algorithm, which extracts the color of natural waters from images collected by low‐cost digital cameras, in the context of participatory science and water quality monitoring. SRGB images are converted to the CIE XYZ color space, undergoing a gamma expansion and illumination correction that ... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 13 Số 12 - Trang 697-711 - 2015
Application of the isotope pairing technique in sediments where anammox and denitrification coexistThe isotope pairing technique (IPT) is a well‐established 15N method for estimation of denitrification. Presence of anammox, the anaerobic oxidation of NH4 + to N 2 with NO2 − results in violation of central assumptions on which the IPT is built. It is shown that... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 1 Số 1 - Trang 63-73 - 2003
An empirically validated method for characterizing pelagic habitats in the Gulf of Mexico using ocean model dataAbstract Mesoscale oceanic features such as eddies generate considerable environmental heterogeneity within the pelagic oceans, but their transient nature makes it difficult to identify both their spatial and temporal extent and their effects on the distribution of pelagic fauna. Simplifying these complex features using a biologically meaningful classification syste... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 17 Số 6 - Trang 362-375 - 2019
Characterizing dissolved organic matter fluorescence with parallel factor analysis: a tutorialA sub‐fraction of dissolved organic matter fluoresces when excited with ultraviolet light. This property is used to quantify and characterize changes in dissolved organic matter (DOM) in aquatic environments. Detailed mapping of the fluorescence properties of DOM produces excitation emission matrices (EEM), which are well suited to multi‐way data analysis techniques (chemometrics). Techniq... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 6 Số 11 - Trang 572-579 - 2008
Inner filter correction of dissolved organic matter fluorescenceThe fluorescence of dissolved organic matter (DOM) is suppressed by a phenomenon of self‐quenching known as the inner filter effect (IFE). Despite widespread use of fluorescence to characterize DOM in surface waters, the advantages and constraints of IFE correction are poorly defined. We assessed the effectiveness of a commonly used absorbance‐based approach (ABA), and a recently proposed ... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 11 Số 12 - Trang 616-630 - 2013
Relationship between wind speed and gas exchange over the ocean revisitedThe relationship between gas exchange and wind speed is used extensively for estimating bulk fluxes of atmospheric gases across the air‐sea interface. Here, I provide an update on the frequently used method of Wanninkhof (1992). The update of the methodology reflects advances that have occurred over the past two decades in quantifying the input parameters. The general principle of obtainin... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 12 Số 6 - Trang 351-362 - 2014
A simple and efficient method for the solid‐phase extraction of dissolved organic matter (SPE‐DOM) from seawaterA simple protocol is presented for the solid‐phase extraction of dissolved organic matter (SPE‐DOM) from seawater using commercially prepacked cartridges. The method does not require major instrumentation and can be performed in the field. Modified styrene divinyl benzene polymer type sorbents (Varian PPL and ENV) and sorbents of a silica structure bonded with different hydrocarbon chains ... ... hiện toàn bộ
Limnology and Oceanography: Methods - Tập 6 Số 6 - Trang 230-235 - 2008
Online δ13C analysis of volatile fatty acids in sediment/porewater systems by liquid chromatography-isotope ratio mass spectrometry
Limnology and Oceanography: Methods - Tập 4 Số 10 - Trang 346-357 - 2006
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