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Disclaimer

The New York State Department of Environmental Conservation has added a link to a translation service developed by Microsoft Inc., entitled Bing Translator, as a convenience to visitors to the DEC website who speak languages other than English.

Additional information can be found at DEC's Language Assistance Page.

Sample HRECOS Graph

This graph from the Hudson River Environmental Conditions Observing System (HRECOS) shows daily peaks in dissolved oxygen levels due to photosynthesis in the river at Norrie Point. The Hudson River Estuary Program's Virtual River Visits workshops train teachers to use this system to build students' analytical skills.

Graph showing daily peaks in dissolved oxygen levels due to photosynthesis