نتایج جستجو برای: trophic state index tsi
تعداد نتایج: 1244093 فیلتر نتایج به سال:
Cyclic changes in total solar irradiance (TSI) during the Holocene are known to affect global climatic conditions and cause cyclic climatic oscillations, e.g., Bond events and related changes of environmental conditions. However, the processes how changes in TSI affect climate and environment of the Southern Hemisphere, especially in southernmost South America, a key area for the global climate...
We present the results using the AutoClass analysis application available at NASA/Ames Intelligent Systems Div. (2002) which is a Bayesian, finite mixture model classification system developed by Cheeseman and Stutz (1996) . We apply this system to Mount Wilson Solar Observatory (MWO) intensity and magnetogram images and classify individual pixels on the solar surface to calculate daily indices...
Trophic assessments of 10 publicly-owned northeastern Ohio lakes including Aquilla, Baldwin, Findley, Hinckley, Hodgson (Muddy), Spencer, Lower Shaker, Upper Shaker, Virginia Kendall, and Wallace indicated that all were highly eutrophic. Criteria for these assessments were based on a Trophic State Index developed by the U.S. Environmental Protection Agency that incorporated epilimnetic levels o...
Eutrophication is a major ecological problem and affects endangers freshwater bodies, making assessment of the trophic status water bodies crucial for their restoration sustainable use. Lake Baikal affected by number environmental stressors, including coastal eutrophication. Daily measurements concentrations nutrients, dissolved oxygen (DO), chlorophyll-a (Chl-a), weekly algae abundance biomass...
In a field study conducted in Georgia, cucurbit plants with high (Cucurbita andreana) and low (Cucurbita maxima) concentrations of cucurbitacins were used in combination with two types of fertilizers to investigate their effects on the community of soil nematodes. Ecological measures of soil nematode community structure such as total nematode abundance, number of genera, trophic diversity, trop...
Luminosity, which is the total amount of radiant energy emitted by an object, one most critical quantities in astrophysics for characterizing stars. Equally important temporal evolution a star's luminosity because its intimate connection with stellar budget, large-scale convective motion, and heat storage interior. Here, we model solar extending semi-empirical irradiance (TSI) that uses solar-s...
The abundance and the distribution of trophic resources available for consumers influence the productivity and the diversity of natural communities. Nevertheless, assessment of the actual abundance of food items available for individual trophic groups has been constrained by differences in methods and metrics used by various authors. Here we develop an index of food abundance, the framework of ...
The Thought Suppression Inventory (TSI; Rassin, European Journal of Personality 17: 285-298, 2003) was designed to measure thought intrusion, thought suppression and successful thought suppression. Given the importance to distinguish between these three aspects of thought control, the aim of this study was to scrutinize the dimensionality of the TSI. In a sample of 333 Dutch senior citizins, we...
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