Earth System Visioning » feedback http://www.icsu-visioning.org   Fri, 04 Sep 2009 10:57:06 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 What is the potential level of positive feedback that may come with the release of methane in the permafrost regions and continental shelves? http://www.icsu-visioning.org/2009/07/positive-feedback-methane-from-permafrost-continentalshelves/ http://www.icsu-visioning.org/2009/07/positive-feedback-methane-from-permafrost-continentalshelves/#comments Sat, 25 Jul 2009 23:44:10 +0000 rgatess http://www.icsu-visioning.org/?p=938 http://www.icsu-visioning.org/2009/07/positive-feedback-methane-from-permafrost-continentalshelves/feed/ 1 What are the feed back mechanisms between biodiversity and climate, how will they change over the next decades and what are the consequences? http://www.icsu-visioning.org/2009/08/feedback-mechanisms-between-biodiversity-and-cimate/ http://www.icsu-visioning.org/2009/08/feedback-mechanisms-between-biodiversity-and-cimate/#comments Thu, 06 Aug 2009 14:58:07 +0000 Carlo Heip http://www.icsu-visioning.org/?p=1443 http://www.icsu-visioning.org/2009/08/feedback-mechanisms-between-biodiversity-and-cimate/feed/ 1 How can we understand and best manage the feedbacks between (a) the growth and closer integration of the global economy and (b) changes in the biosphere, hydrosphere and atmosphere? http://www.icsu-visioning.org/2009/08/understand-manage-feedbacks-btwn-global-economy-changes-in-biosphere-hydrosphere/ http://www.icsu-visioning.org/2009/08/understand-manage-feedbacks-btwn-global-economy-changes-in-biosphere-hydrosphere/#comments Tue, 11 Aug 2009 21:42:30 +0000 CPerrings http://www.icsu-visioning.org/?p=1690 http://www.icsu-visioning.org/2009/08/understand-manage-feedbacks-btwn-global-economy-changes-in-biosphere-hydrosphere/feed/ 0 What is the role of the biosphere in regulating climate, and which systems and processes are most influential? http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/ http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/#comments Sat, 08 Aug 2009 12:19:51 +0000 gmace http://www.icsu-visioning.org/?p=1499 http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/feed/ 0 How will climate change effect the major Cycles of Carbon, Nitrogen and Sulphur and what kind of feedback on organism level is expected? http://www.icsu-visioning.org/2009/08/climate-change-effect-major-cycles-carbon-nitrogen-sulphur/ http://www.icsu-visioning.org/2009/08/climate-change-effect-major-cycles-carbon-nitrogen-sulphur/#comments Sun, 09 Aug 2009 17:22:50 +0000 John http://www.icsu-visioning.org/?p=1544 http://www.icsu-visioning.org/2009/08/climate-change-effect-major-cycles-carbon-nitrogen-sulphur/feed/ 0 Does silicate weathering, the hypothesized feedback mechanism for stabilizing atmospheric CO2 concentrations on geologic time scales, demonstrably increase with the observed increase in atmospheric CO2 concentrations? http://www.icsu-visioning.org/2009/08/does-silicate-weathering-increase-with-atmospheric-co2-concentration/ http://www.icsu-visioning.org/2009/08/does-silicate-weathering-increase-with-atmospheric-co2-concentration/#comments Tue, 11 Aug 2009 21:54:31 +0000 visionmuus http://www.icsu-visioning.org/?p=1678 http://www.icsu-visioning.org/2009/08/does-silicate-weathering-increase-with-atmospheric-co2-concentration/feed/ 0