Search Data.gov
Found 373 dataset(s) matching "soil nitrogen".
-
Floodplain surficial soil samples (10 cm depth) were collected from 12 streams in the urbanized Piedmont region of northern Virginia, representing a chronosequence of time (1-10 yrs) since stream...
-
These datasets provide raw stable isotope data collected as part of the National Wetland Condition Assessment (NWCA). δ15N and δ13C measured from 10-cm Standard Depth Soil Cores are reported for...
-
This product consists of 29 datasets of tabular data and associated metadata for watershed characteristics of 1,530 study sites of the Surface Water Trends (SWT) project of the U.S. Geological...
-
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for each analyzed species,...
-
Information used to construct a nitrogen budget for the Nooksack River Watershed. The data includes the following four tables: Table 1: Annual N Fluxes in the Nooksack River Watershed. Table 2:...
-
Understanding secondary successional processes in Amazonian terrestrial ecosystems is becoming increasingly important as continued deforestation expands the area that has become secondary forest,...
-
<p>A new process-based cotton model, CPM, has been developed to simulate the growth and development of upland cotton (Gossypium hirsutum L.) throughout the growing season with minimal data input....
-
<p dir="ltr">This study investigates the impact of alternative fertilization practices on the yield-scaled global warming potential in almond orchards. Almond production contributes to greenhouse...
-
<p>Environmental Policy Integrated Climate (EPIC) model is a cropping systems model that was developed to estimate soil productivity as affected by erosion as part of the Soil and Water Resources...
-
Increasing soil carbon sequestration is part of a suite of approaches to reducing atmospheric carbon and addressing climate change. The soil carbon sequestration capability of a landscape is a...
-
Biogeochemical processes are key drivers of chemical solubility and mobilization. Understanding these processes will lead to improved predictive capabilities and may aid with watershed management...
-
Nitrate concentration and stable isotope data from lysimeters in a vadose zone leaching study. Lysimeters were installed at 0.8, 1.5 and 3 m depth within the soil. In addition, stable water...
-
<p dir="ltr">The ECB-WQ database is comprised of hydrology and water quality data from three privately owned farms in Northwest Ohio and Northeast Indiana (USA). Specifically, the dataset includes...
-
Nitrate contamination of groundwater is widespread and persistent in the shallow surficial aquifer of northwestern Whatcom County where dairy farming and forage production is a primary land-use...
-
This dataset supports the publication Whitfield et al. (2018) (https://doi.org/10.1007/s11270-018-3691-7). The dataset is a compilation of the estimated base cation weathering rates (BCw) for 44...
-
<p>This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets...
-
<p>This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets...
-
The data include copper concentrations in surface and subsurface water in mesocosms as well as pH, dissolved oxygen, and electrical conductivity. It also shows spectra of copper speciation in...
-
This data set represents quantified emissions of NH3 following application of urea-based fertilizer to bare agricultural soil in the Coastal Plain region of North Carolina (NC Department of...
-
Summary of lab experiments relating soil dry surface layer to soil moisture and other soil properties. This dataset is not publicly accessible because: This project was not funded by EPA nor were...
