to management actions. Practitioners then design and conduct experiments to remove the maximum possible amount of uncertainty about the system response. Experimental results are used to revise the models and better predict the outcomes of management options. New experiments are designed and performed if needed. Active adaptive management is based on the assumption that early investment in knowledge generation will reduce the likelihood of making inappropriate and potentially damaging management decisions.

Adaptive management (AM)—The application of scientific information and explicit feedback mechanisms to refine and improve future management decisions.

Airborne Height Finder (AHF)—A helicopter-based instrument developed by the U.S. Geological Survey that uses global positioning system technology and a high-tech version of the surveyor’s plumb bob to measure terrain surface elevation above and under water. The AHF system distinguishes itself from remote-sensing technologies in its ability to physically penetrate vegetation and murky water, providing measurement of the underlying topographic surface.

Aquifer storage and recovery (ASR)—A technology for storage of water in a suitable aquifer when excess water is available and recovery from the same aquifer when the water is needed to meet peak emergency or long-term water demands. Wells are used to pump water in and out of the aquifer.

Best management practices (BMPs)—Effective, practical methods that prevent or reduce the movement of sediment, nutrients, pesticides, and other pollutants resulting from agricultural, industrial, or other societal activities from the land to surface or groundwater or that optimize water use.

Central and Southern Florida (C&SF) Project for Flood Control and Other Purposes—A multipurpose project, first authorized by Congress in 1948 to provide flood control, water supply protection, water quality protection, and natural resource protection.

Comprehensive Everglades Restoration Plan (CERP)—The plan for the restoration of the greater Everglades ecosystem authorized by Congress in 2000.



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