![photo of lake channel from web cam](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/realtimeA.jpg)
Real-Time Data
Real-time and near real-time data acquired from
field and remote instruments, web cams and satellites, and products
based on real-time or near real-time data. |
![bathymetry graphic](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/physicalA.jpg)
Physical
Properties Data
Physical properties, characteristics, and measurements
of the Great Lakes including topographic, cartographic, geomorphological,
and hydrodynamic properties and measurements.
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![drawing depicting the hydrologic cycle](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/hydroA.jpg)
Hydrology & Hydraulics Data
Streamflow, channel flow, evaporation, water temperature,
and other measurements of water quantity relative to the hydrologic
cycle. |
![photo of instrument tower](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/weatherA.jpg)
Meteorology & Weather Data
Precipitation, air temperature, wind speed, and
other weather data. |
![Great Lakes image showing water temperature](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/forecastA.jpg)
Forecast Data
Current Great Lakes conditions and events. |
![photo showing ice formation on lake](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/iceA.jpg)
Ice & Snow Data
Ice and snow measurements on lakes and surrounding
land areas. |
![photo of various Great Lakes biological specimens](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/biologicalA.jpg)
Biological Data
Measured and modeled biological data sets acquired during field
expeditions, from remote instruments, and laboratory studies.
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![photo of scientist with sampling equipment](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/ChemicalA.jpg)
Chemical & Sediments
Data
Chemicals, toxics, nutrients, turbidity, and sediment
transport data. |
![photo of large waves against lighthouse](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/wavesA.jpg)
Waves & Circulation Data
Waves, currents, and circulation of water within the lake. |
![photo of dry lake bottom](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/levelsA.jpg)
Lake Level Data
Historical and current Great Lakes water level data. |
![image of flow chart](https://webarchive.library.unt.edu/web/20090114082433im_/http://www.glerl.noaa.gov/data/images/modelA.jpg)
Models
Computer software available for use in computing, modeling, and/or
manipulating data.
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