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MercNet Monitoring Inventory: Online Library
USGS - EMMMA: Environmental Mercury Mapping, Modeling, & Analysis
| OverviewU.S. Geological Survey's EMMMA project: Environmental Mercury Mapping, Modeling, & Analysis. Data from a variety of fish studies throughout the United States, 1967-2005. Source Agency: U.S. Geological Survey ContactSteve Wente, Address Phone: 703-305-0001 |
| Name of dataset | EMMMA, plus some more recent data from S. Wente |
| Geographic area | United States |
| State/Province | all states |
| Activity Category | Data Compilation |
| Medium | fish |
| Approximate size of dataset | 102873 |
| Positional data available? | yes |
| Start Date | 1967 |
| End Date | 2005 |
| Status | Complete |
| Frequency of sampling | varies |
| Collection Months | varies |
| Current # Of Sampling Locations | 0 |
| Historic # Of Sampling Locations | 11708 |
| Size of Sampling Area | United States |
| Methods | varies |
| Individual or composite samples? | Both Individual and Composite |
| Additional Info | Data collected by numerous person and institutions |
| Data Use | Unrestricted |
| Hg Measurements | THg |
| Hg Measurement Units | mg/g or mg/kg (ppm) |
| Ancillary Data | length, age, lipid count |
| BRI has data? | yes |
| Data downloadable on external website? | yes |
| Other Databases | EMMMA |
| Comments | Data collected by numerous person and institutions and compiled by USGS (last updated 2006). Parts of this dataset, particularly data from state agencies, are represented in other entries in this monitoring inventory, and it is recommended that these sources are accessed first (due to greater accuracy and QAQC processing of data and more recent updates). |
