29 datasets found
-
Federal
1995 - 2007 Ecosystem History of South Florida's Estuaries Database
Department of the Interior —
The 1995 - 2007 Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), modern monitoring site survey information... -
Federal
Water-quality and phytoplankton data for Lake Pontchartrain and the western Mississippi Sound associated with operation of the Bonnet Carré Spillway, 2008–2020
Department of the Interior —
The Bonnet Carré Spillway (BCS), located about 28 miles northwest of New Orleans, Louisiana, was constructed in the early 1930s as part of an integrated flood-control... -
Federal
Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (output)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Data on Midwest stream diatom metrics and environmental stressors, 2013
Department of the Interior —
The objective of this study was to assess the comparative influence of multiple stressors on benthic diatoms at 98 sites that spanned a range of stressors that... -
Federal
In Situ Fluorometric Measurements of Cyanobacteria, Green Algae, and Diatoms in Biofilms from Northwest Alaskan Rivers During Summer and Fall 2016-2019
Department of the Interior —
This dataset contains measurements of in situ benthic biofilms from rivers of northwest Alaska during summer and fall 2016-2019. Measurements were made using a... -
Federal
Benthic Algal Community Composition in the Laurentian Great Lakes (2018-2023)
Department of the Interior —
This data set includes information on benthic algae community composition collected during the growing seasons of 2018-2023 at stations located along the U.S.... -
Federal
2008 - Present Ecosystem History of South Florida's Estuaries Database (ver. 2.0, June 2022)
Department of the Interior —
The 2008 - Present Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core) and modern monitoring site survey... -
Federal
2D micromodel studies of pore-throat clogging by pure fine-grained sediments and natural sediments from NGHP-02, offshore India
Department of the Interior —
Fine-grained sediments, or “fines,” are nearly ubiquitous in natural sediments, even in the predominantly coarse-grained sediments that host gas hydrates. Fines... -
Federal
Dataset of diatom controls on the sedimentation behavior of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Dataset of diatom controls on the compressibility and permeability of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (input)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Phytoplankton assemblage dynamics in relation to environmental conditions in a riverine lake: Upper Mississippi River
Department of the Interior —
Phytoplankton samples were collected from Lake Pepin (a natural, riverine lake on the Upper Mississippi River) from 2012-2014. The dataset includes phytoplankton... -
Federal
Wetland Paleoecological Study of Coastal Louisiana: X-radiographs
Department of the Interior —
Wetland sediment data was collected from coastal Louisiana as part of a pilot study to develop a diatom-based proxy for past wetland water chemistry and the... -
Federal
Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (output)
Department of the Interior —
Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors... -
Federal
Dependence of sediment compressibility and recompressibility on pore fluid chemistry for pure, endmember fines
Department of the Interior —
The safety, effectiveness and longevity of many construction and geotechnical engineering projects rely on correctly accounting for the evolution of soil properties... -
Federal
Census counts of diatoms from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay
Department of the Interior —
This data release provides census counts of diatoms in sediments of a core obtained off San Francisquito Creek in South San Francisco Bay. -
Federal
Diatom Data from Coastal Environments on Montague Island, Alaska
Department of the Interior —
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University. -
Federal
Ecology_metadata_output
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Ecology_metadata_input
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Habitat and biological assemblage data from streams within Tribal lands of the Pearl River Community of the Mississippi Band of Choctaw Indians, 2017-18
Department of the Interior —
This data release contains habitat survey data (quantitative and qualitative) and biological assemblage data (periphyton, macroinvertebrate, and fish) collected among...
29 datasets found