Each year, Environment Canada produces a National HYDAT CD-ROM which provides rapid access to a stand alone version of the National Water Data Archive. This large database contains daily, monthly, and/or instantaneous information for streamflow,… Read more.
HYDROLOGY
Posted:
Note that some layers are free to download. Others must be requested through the Map and Data Library. All roads can be found for public use at this url http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=932
Posted:
Accurate hydrologic data (over-lake precipitation, runoff, lake evaporation, net basin supplies, connecting channel flows, diversion flows, beginning-of-month lake levels, and changes in storage) are required for simulation, forecasting, and water… Read more.