نتایج جستجو برای: international inland waters
تعداد نتایج: 353758 فیلتر نتایج به سال:
The Operational Land Imager (OLI) is a new Landsat sensor being developed by the joint USGS-NASA Landsat Data Continuity Mission (LDCM) that exhibits the potential to be a state-of-the-art instrument for studying inland and coastal waters. With upgrades such as a new Coastal Aerosol band, 12 bit quantization, and improved signal-to-noise, OLI will be spectrally and radiometrically superior to i...
As part of an ongoing investigation of primary productivity in Mono Lake, a series of surveys were conducted at the lake coincident with AVIRIS acquisitions. These included sampling and spectroradiometric measurements with locations precisely georeferenced to AVIRIS pixel coordinates. Spectra were extracted from the AVIRIS images for the purpose of deriving predictive equations for calculation ...
Spectral Reflectance of suspended sediment concentration (SSC) remotely sensed by satellite images is an alternative and economically efficient method to measure SSC in inland waters such as rivers and lakes, coastal waters, and oceans. This paper retrieved SSC from satellite remote sensing imagery using radial basis function networks (RBF). In-situ measurement of SSC, water flow data, as well ...
Invasive molluscs in Umbrian inland waters: ecological and reproductive aspects The increasing colonisation by aquatic invasive molluscs has only recently received scientific attention in Umbria, notwithstanding the possible great impact on the functionality and biodiversity of the freshwater ecosystems. The present contribution highlights the results of investigations carried out on Dreissena ...
This study evaluated the feasibility of using the Ribulose Bisphosphate Carboxylase Large subunit gene (rbcL) and the Internal Transcribed Spacers 1 and 2 of the nuclear rDNA (nuITS1 and nuITS2) markers for identifying a very diverse, albeit poorly known group, of green microalgae from neotropical inland waters. Fifty-one freshwater green microalgae strains isolated from Brazil, the largest bio...
*Correspondence: David Delmail, CNRS UMR 6226 ISCR (Institute of Chemical Sciences of Rennes), University of Rennes 1, 2 Ave. Prof. Léon Bernard, F-35043 Rennes Cedex, France e-mail: david.delmail@ univ-rennes1.fr Inland waters are extremely sensitive to inputs of contaminants. Increasing human activities lead to a rise in organic and inorganic pollutants leading to acidification or eutrophicat...
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