摘要:

Because our society is becoming increasingly dependent on technological systems that can be affected by ionospheric phenomena during geomagnetic storms, the ionosphere, its electrodynamics, and its coupling with the neutral atmosphere and the magnetosphere are being studied as part of a coordinated program of “space weather” research. This research seeks to characterize the variability of ionospheric density and electric currents during magnetic storms, and to determine to what extent valid predictions of those phenomena and their effects can be m

ISSN:0002-8606    

DOI:10.1029/96EO00066

年代:1996

数据来源: WILEY

摘要:

In some places, money flows with water. Studying both the water quality and property values around 22 lakes in south‐central Maine, Kevin Boyle and Holly James of the University of Maine and Roy Bouchard of the Maine Department of Environmental Protection have found that good water quality makes waterfront property even more valuable. To gauge water quality, the researchers used Secchi disks to measure the clarity of the water at depth. They also reviewed 543 lakefront property sales between 1990 and 1994 to determine how values correlated with changing water conditions. The group also considered such factors as lake frontage, sizes of the houses and lots, and size of the lak

ISSN:0002-8606    

DOI:10.1029/EO077i011p00102-02

年代:1996

数据来源: WILEY

摘要:

Analytic Element Modeling of Groundwater Flowoffers much more than one might anticipate from its title. It is an excellent tutorial on the subjects of groundwater flow and modeling groundwater with the analytic element method. I greatly enjoyed reading it, and I recommend it to any student of groundwater hydrology, as well as to researchers and professionals concerned with modeling regional groundwater flow in productive aquifers. Chapters 3 and 6 are particularly interesting.

ISSN:0002-8606    

DOI:10.1029/96EO00069

年代:1996

数据来源: WILEY

摘要:

The 1995 Roger Revelle Medal, given by AGU in recognition of sustained and continued superior contributions to the science of climate dynamcs and to predictions of expected climate changes, was presented to Wallace S. Broecker at the AGU Fall Meeting Honors Ceremony on December 13, 1995, in San Francisco, Calif. The award citation and Broecker's response are given here.

ISSN:0002-8606    

DOI:10.1029/96EO00070

年代:1996

数据来源: WILEY