![photo of lake channel from web cam](https://webarchive.library.unt.edu/web/20130214161734im_/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/20130214161734im_/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.
|
![drawing depicting the hydrologic cycle](https://webarchive.library.unt.edu/web/20130214161734im_/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/20130214161734im_/http://www.glerl.noaa.gov/data/images/weatherA.jpg)
Meteorology & Weather
Data
Precipitation,
air temperature, wind speed, and
other weather data. |
![photo showing ice formation on lake](https://webarchive.library.unt.edu/web/20130214161734im_/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/20130214161734im_/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.
|
![photo of scientist with sampling equipment](https://webarchive.library.unt.edu/web/20130214161734im_/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/20130214161734im_/http://www.glerl.noaa.gov/data/images/wavesA.jpg)
Waves & Circulation
Data
Waves, currents, and circulation
of water within the lake. |