Data Catalog

• Federal

  Deposition, critical loads, and exceedances for 1800-2025

  U.S. Environmental Protection Agency —

  This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National...

  • ZIP
• Federal

  SRM 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) Data

  National Institute of Standards and Technology —

  SRM 2693a Electronic files containing assigned values and their uncertainties, and the data used to assign those values.

  • XLS
  • ZIP
  • TEXT
• Federal

  SRM 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) Data

  Department of Commerce —

  SRM 2693a Electronic files containing assigned values and their uncertainties, and the data used to assign those values.

  • XLS
  • ZIP
  • TEXT
• Federal

  Regional variation for tree critical loads across the U.S.

  U.S. Environmental Protection Agency —

  This dataset encompasses a re-analysis of data from Horn et al. (2018) to determine regional tree growth and survival response to nitrogen and sulfur deposition...

  • ZIP

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