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  • 1
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    Island Press
    In:  Bull., Open-File Rept., Prediction: Science, Decision Making, and the Future of Nature, Washington, D.C., Island Press, vol. 65, no. 1, pp. 23-40, (ISBN 0080419208)
    Publication Date: 2000
    Keywords: Earthquake precursor: prediction research ; philosophy ; ENDNOTE?
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  • 2
    Publication Date: 2001-07-28
    Description: Planning and decision-making can be improved by access to reliable forecasts of ecosystem state, ecosystem services, and natural capital. Availability of new data sets, together with progress in computation and statistics, will increase our ability to forecast ecosystem change. An agenda that would lead toward a capacity to produce, evaluate, and communicate forecasts of critical ecosystem services requires a process that engages scientists and decision-makers. Interdisciplinary linkages are necessary because of the climate and societal controls on ecosystems, the feedbacks involving social change, and the decision-making relevance of forecasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, J S -- Carpenter, S R -- Barber, M -- Collins, S -- Dobson, A -- Foley, J A -- Lodge, D M -- Pascual, M -- Pielke, R Jr -- Pizer, W -- Pringle, C -- Reid, W V -- Rose, K A -- Sala, O -- Schlesinger, W H -- Wall, D H -- Wear, D -- New York, N.Y. -- Science. 2001 Jul 27;293(5530):657-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Duke University, Durham, NC 27708 USA. jimclark@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11474103" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Decision Making ; Disease Outbreaks ; Ecology ; *Ecosystem ; Epidemiology ; *Forecasting ; Humans ; Policy Making ; Population Growth ; Stochastic Processes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Nature Publishing Group (NPG)
    Publication Date: 2008-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pielke, Roger Jr -- Wigley, Tom -- Green, Christopher -- England -- Nature. 2008 Apr 3;452(7187):531-2. doi: 10.1038/452531a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Science and Technology Policy Research, University of Colorado, Boulder, Colorado 80309-0488, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18385715" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2015-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pielke, Roger Jr -- England -- Nature. 2015 Jan 29;517(7536):529. doi: 10.1038/517529a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25631409" target="_blank"〉PubMed〈/a〉
    Keywords: Doping in Sports/prevention & control/*statistics & numerical data ; Humans ; Probability ; Program Evaluation/methods ; Substance Abuse Detection/*methods/statistics & numerical data ; Uncertainty
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2011-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hulme, Mike -- Mahony, Martin -- Beck, Silke -- Gorg, Christoph -- Hansjurgens, Bernd -- Hauck, Jennifer -- Nesshover, Carsten -- Paulsch, Axel -- Vandewalle, Marie -- Wittmer, Heidi -- Boschen, Stefan -- Bridgewater, Peter -- Diaw, Mariteuw Chimere -- Fabre, Pierre -- Figueroa, Aurelia -- Heong, Kong Luen -- Korn, Horst -- Leemans, Rik -- Lovbrand, Eva -- Hamid, Mohd Norowi -- Monfreda, Chad -- Pielke, Roger Jr -- Settele, Josef -- Winter, Marten -- Vadrot, Alice B M -- van den Hove, Sybille -- van der Sluijs, Jeroen P -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):697-8. doi: 10.1126/science.333.6043.697.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817033" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Ecosystem ; *Policy ; Policy Making
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-05-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pielke, Roger Jr -- New York, N.Y. -- Science. 2003 May 16;300(5622):1092-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12750502" target="_blank"〉PubMed〈/a〉
    Keywords: *Advisory Committees ; *Politics ; *Science ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Nature Publishing Group (NPG)
    Publication Date: 2011-08-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pielke, Roger Jr -- England -- Nature. 2011 Aug 17;476(7360):284. doi: 10.1038/476284a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Science and Technology Policy Research, University of Colorado, Boulder, Colorado 80309, USA. pielke@colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21850096" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees/*history/organization & administration ; Federal Government/*history ; History, 20th Century ; History, 21st Century ; Physics/*history ; Politics ; United States ; Universities/history/organization & administration
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    Nature Publishing Group (NPG)
    Publication Date: 2011-04-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pielke, Roger Jr -- Byerly, Radford -- England -- Nature. 2011 Apr 7;472(7341):38. doi: 10.1038/472038d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21475182" target="_blank"〉PubMed〈/a〉
    Keywords: Astronauts/trends ; Costs and Cost Analysis/statistics & numerical data ; Space Flight/*economics/trends ; Spacecraft/*economics ; United States ; United States National Aeronautics and Space Administration/*economics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Synthesis of results from several Arctic and boreal research programmes provides evidence for the strong role of high-latitude ecosystems in the climate system. Average surface air temperature has increased 0.3 °C per decade during the twentieth century in the western North American Arctic and boreal forest zones. Precipitation has also increased, but changes in soil moisture are uncertain. Disturbance rates have increased in the boreal forest; for example, there has been a doubling of the area burned in North America in the past 20 years. The disturbance regime in tundra may not have changed. Tundra has a 3–6-fold higher winter albedo than boreal forest, but summer albedo and energy partitioning differ more strongly among ecosystems within either tundra or boreal forest than between these two biomes. This indicates a need to improve our understanding of vegetation dynamics within, as well as between, biomes. If regional surface warming were to continue, changes in albedo and energy absorption would likely act as a positive feedback to regional warming due to earlier melting of snow and, over the long term, the northward movement of treeline. Surface drying and a change in dominance from mosses to vascular plants would also enhance sensible heat flux and regional warming in tundra. In the boreal forest of western North America, deciduous forests have twice the albedo of conifer forests in both winter and summer, 50–80% higher evapotranspiration, and therefore only 30–50% of the sensible heat flux of conifers in summer. Therefore, a warming-induced increase in fire frequency that increased the proportion of deciduous forests in the landscape, would act as a negative feedback to regional warming.Changes in thermokarst and the aerial extent of wetlands, lakes, and ponds would alter high-latitude methane flux. There is currently a wide discrepancy among estimates of the size and direction of CO2 flux between high-latitude ecosystems and the atmosphere. These discrepancies relate more strongly to the approach and assumptions for extrapolation than to inconsistencies in the underlying data. Inverse modelling from atmospheric CO2 concentrations suggests that high latitudes are neutral or net sinks for atmospheric CO2, whereas field measurements suggest that high latitudes are neutral or a net CO2 source. Both approaches rely on assumptions that are difficult to verify. The most parsimonious explanation of the available data is that drying in tundra and disturbance in boreal forest enhance CO2 efflux. Nevertheless, many areas of both tundra and boreal forests remain net sinks due to regional variation in climate and local variation in topographically determined soil moisture. Improved understanding of the role of high-latitude ecosystems in the climate system requires a concerted research effort that focuses on geographical variation in the processes controlling land–atmosphere exchange, species composition, and ecosystem structure. Future studies must be conducted over a long enough time-period to detect and quantify ecosystem feedbacks.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Meteorology and atmospheric physics 39 (1988), S. 184-196 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Summary In this paper, analytic solutions of the nonhydrostatic and hydrostatic forms of Long's model were obtained under two different sets of vertical boundary conditions: The first uses a sumusoidal obstacle at the lower boundary and a rigid-lid top for the upper boundary. The second set applies an isolated obstacle of the “Witch of Agnesi” type at the lower boundary, while still using a rigid lid at the top. Following the solution evaluations, comparisons between the nonhydrostatic and hydrostatic solutions were processed in order to describe several influences introduced by using the hydrostatic assumption in this model. Through comparisons we have found that, in the case of a sinusoidal lower boundary condition, the hydrostatic solution is obtained as the zero mode of the nonhydrostatic solution. The influence of the hydrostatic assumption on the model solution is trivial in this case. When an isolated lower boundary condition is applied, however, the solutions illustrate dramatic differences, showing the significance of the effect of hydrostatic assumption on this model's solutions. These effects vary considerably with the model parameters as well. The comparison results also reveal that the realization of the hydrostatic assumption in this model's solutions is accomplished through the vertical boundary conditions used in the model evaluations.
    Type of Medium: Electronic Resource
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