Search Data.gov
Found 1000 dataset(s) matching "Total nitrogen".
-
This data release contains the calibration data set and R code used to create regression models for estimating daily loads of suspended sediment, total nitrogen, and total phosphorus at the...
-
The USGS Spatially Referenced Regression on Watershed attributes (SPARROW) model is a hybrid empirical/process-based mass balance model that can be used to estimate the major sources and...
-
This data release contains the watershed ancillary data that were used as input for a set of dynamic Spatially Referenced Regression On Watershed attributes (SPARROW) models for watersheds...
-
The data set consists of continuous water-quality data (temperature, specific conductance, pH, dissolved oxygen, turbidity, nitrate plus nitrite, and streamflow) from in-situ equipment and...
-
The primary data sets consist of loads (with upper 95-percent prediction interval, and lower 95-percent prediction interval) of suspended sediment, total nitrogen, and total phosphorus calculated...
-
Additional files associated with the published article in Environmental Evidence. The ROSES form is a checklist of details that should be reported in systematic review documentation. They ensure...
-
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total phosphorus and total nitrogen in...
-
The text file "Soil_sample_analyses_2.txt" contains results of discrete soil samples (surface samples) collected at selected vacant lot locations in St. Louis, Missouri, in June and July of 2020. ...
-
This metadata record describes 19 annual Congestion Mitigation and Air Quality Improvement (CMAQ) Program variables ( kilograms per hectare) for each year between 2002 - 2012 ( Zhang and others,...
-
Total carbon and nitrogen concentrations, and delta carbon-13 and delta nitrogen-15 stable isotope ratios, were determined in sediment samples to potentially identify the sources of organic matter...
-
This data release provides water-quality data collected and analyzed by the U.S. Geological Survey (USGS) and the Kansas Department of Health and Environment (KDHE) during 1972 through 2020. This...
-
The data release documents the development of a hybrid (statistical-mechanistic) SPARROW (SPAtially Referenced Regression On Watershed attributes) model of long-term mean annual total nitrogen...
-
Total Nitrogen (TN) rloadest models were developed to compute TN flux at School Branch at three USGS monitoring stations: School Branch at Maloney Road near Brownsburg, Indiana (03353415); School...
-
This data release contains seasonal source-specific estimates of total nitrogen (TN) and total phosphorus (TP) loading to streams across the Illinois River basin (25,620 reaches) for 21 years from...
-
This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Total Inorganic Nitrogen for the year 2002 compiled for every catchment of NHDPlus for the...
-
This tabular data set represents the average normalized atmospheric (wet) deposition, in kilograms per square kilometer multiplied by 100, of Total Inorganic Nitrogen for the year 2002 compiled...
-
This data release contains input and output data tables from a SPAtially Referenced Regression On Watershed attributes (SPARROW) model, which estimated total nitrogen loads in streams of the...
-
The core equations of the SPARROW model (Schwarz and others, 2006) were implemented in differential form using the R programming language (R Core Team, 2017), as the basis of a tool for...
-
Here, we present data supporting temporal variability and sources of PFAS in the Rio Grande through an arid urban area using high-frequency sampling and novel samplers. Data are compiled into two...
-
In certain markets, live fish can be sold for substantially higher prices than fresh dressed fish. A significant live-haul industry has developed in the U.S. and fish are commonly hauled...
