Arctic CHAMP Overview
The primary aim of Arctic-CHAMP is to catalyze and execute the necessary interdisciplinary research in order to construct a holistic understanding of arctic hydrology. Four primary science goals guide the effort, to:
- Assess and better understand the stocks and fluxes within the arctic hydrologic cycle.
- Document natural variability in and changes to the arctic water cycle, contributing a hydrological component to the multiagency SEARCH (Study of Environmental ARctic Change) Program.
- Understand the sources of natural variability and causes of arctic water cycle change and assess their direct impacts on biological and biogeochemical systems.
- Develop predictive simulations of the response of the earth system and human society to feedbacks arising from natural variability and progressive changes to the arctic hydrological cycle.
A thematic structure to the overall effort was proposed to optimally support these goals. Arctic-CHAMP thus consists of three interacting components (see Figure 1 below), which essentially are collections of funded research projects in the following three areas:
- Compilation and evaluation of long-term monitoring of the hydrologic cycle;
- Field observations and focussed process studies; and
- Simulation modeling operating over multiple time and space domains.
While each of the individual elements of Arctic-CHAMP is important in its own right, their integration will be the key to significant and rapid progress toward system-wide synthesis. The Science Management Office was established to ensure adequate coordination across Arctic-CHAMP, especially as ARCSS reconstitutes itself along new thematic initiatives. To learn more about Arctic CHAMP's contribution to SEARCH and the understanding of the Arctic hydrological cycle, see the Organizational Structure page.
FIGURE 1. Overall framework of the Arctic Community-Wide Hydrological Analysis and Monitoring Program (Arctic-CHAMP). Scientific integration is afforded by an interplay among process studies at well-instrumented watershed research sites, long term observations (including remote sensing), and simulation modeling. This proposal seeks to help facilitate several specific activities associated with the execution phase of Arctic-CHAMP, namely to support the Arctic-CHAMP Steering Committee, facilitate interactions among CHAMP-funded researchers and the broader Arctic science community, foster agency and international partnerships, and promote outreach.