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Mercury and methylmercury concentrations and litterfall mass in autumn litterfall samples collected at selected National Atmospheric Deposition Program sites in 2016

Dates

Publication Date

Citation

Risch, M.R., 2017, Mercury and methylmercury concentrations and litterfall mass in autumn litterfall samples collected at selected National Atmospheric Deposition Program sites in 2016: U.S. Geological Survey data release, https://doi.org/10.5066/F7F18XQM.

Summary

Mercury (Hg) is a persistent environmental contaminant and can accumulate and concentrate in food webs as methylmercury (MeHg), presenting a health risk to humans and wildlife. Multiyear monitoring and modeling studies have shown that atmospheric Hg in litterfall is an important form of Hg deposition to forests. Annual litterfall consists primarily of leaves with some amounts of needles, twigs, bark, flowers, seeds, fruits, and nuts. Atmospheric Hg accumulates in leaves and reaches an annual maximum concentration at autumn leaf drop. This data set is derived from ambient autumn litterfall samples collected at 23 selected National Atmospheric Deposition Program (NADP) Litterfall Mercury Monitoring Initiative (LMMI) sites located near [...]

Contacts

SDC Data Owner :
Ohio-Kentucky-Indiana Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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NADP Litterfall Data 2016 Final.csv 5.37 KB
NADP Litterfall Metadata 2016 Final.xml
Original FGDC Metadata

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15.54 KB

Purpose

The purpose of this data release is to provide 2016 litterfall mercury and methylmercury concentrations and litterfall mass for samples collected at selected National Atmospheric Deposition Program sites through the Litterfall Mercury Monitoring Initiative operated by the U.S. Geological Survey.

Communities

  • Ohio-Kentucky-Indiana Water Science Center
  • USGS Data Release Products

Tags

Categories
Harvest Set

Provenance

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7F18XQM

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