1. Brown Univ.Center for Environmental StudiesProvidenceRI02912
2. Institute of Ecosystem StudiesBox ABMillbrookNY12545
3. Syracuse Univ.Dep. of Civil and Environmental EngineeringSyracuseNY13244
4. Cornell Univ.Dep. of Natural ResourcesIthacaNY14853
5. U.S. ArmyCold Regions Research and Engineering Lab.HanoverNH03755