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because so they can check if the water is safe
It depends on the type of work being done. Surface water hydrologists may use various devices to monitor the level and/or flow of water, such as flumes, weirs, flow meters, staff gauges, and pressure transducer/data loggers. Groundwater hydrologists often use depth meters, pressure transducers/data loggers, pumps, bailers, flow meters, generators, compressors, and so on. Both will use a wide array of water chemistry tools (pH meters, dissolved oxygen meters, electrical conductivity/salinity meters, field chemistry screening kits, and so on).
Water Monitor's siliva are posionous and people who eat it (ewww!) cut off the head so they won't eat the siliva.
The demand for environmental scientists and hydrologists expected to increase in the near future. This is because there is so much awareness in regards to environment and people want to forecast certain trends and changes in the environment.
So that tree-huggers have something to complain about.
CCTV or Closed Circuit Television placed strategically in a water dam can monitor the dam for damage. The dam has many places that are unsafe for a human to monitor, so the CCTV is a valuable tool.
so that problems in the watershed can be identified before they become too serious .
Use a needler
You cannot get free kinzcash on webkinz, they monitor webkinz very closely they know every cheat code, so there for if you cheat on webkinz you will be banned forever. DON'T CHEAT ON WEBKINZ!
Not really. BUT it has all terrain capability. So it can swim very well and can hold it's breath for up to an hour in water.
Definition of hydrology from Answers.com: The scientific study of the properties, distribution, and effects of water on the earth's surface, in the soil and underlying rocks, and in the atmosphere. So a hydrologist studies those things. For your kind informetion, the question should be who is a hydrologist. If you want to know who is a hydrologist than hydrologist is a geologist skilled in hydrology.
Watertight is used to describe something that is closely sealed, fitted, or fastened so no water can get through. It can also be used to describe an argument that cannot be disputed.