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Narrowband spectral indices for the estimation of chlorophyl along a precipitation gradient
2011 3rd Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS), 2011Narrowband spectral indices have largely been used for the estimation of biochemical attributes of vegetation. However, most of the proposed indices were developed using a limited number of species and locations. In this study, a strong precipitation gradient in northern savannas of Australia was used to develop narrowband spectral indices for the ...
Reza Amiri, Jason Beringer, Peter Isaac
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The relation between precipitation current and potential gradient
Journal of Atmospheric and Terrestrial Physics, 1965Abstract A discussion of the “mirror-image effect” and time lags therein is given, involving different conditions.
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Concentration Gradients in Atmospheric Precipitation in areas of High Annual Precipitation
1988The chemical composition of atmospheric precipitation was studied in and around some areas with high annual precipitation. The concentration in areas of high precipitation was estimated by extrapolation from areas with less precipitation and compared with measured values.
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Vegetation changes along a precipitation gradient in Central Argentina
Vegetatio, 1993Changes in vegetation along a precipitation gradient in Central Argentina were studied. Floristic sam ples were taken along an east-west transect of about 300 km. Correlation analysis between precipitation and ordination axes was used to provide an environmental interpretation of vegetation variability.
M. Cabido +3 more
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Ectomycorrhizal communities along a precipitation gradient in Bavaria (Germany)
2021<p>Altered temperature and precipitation regimes particularly prolonged drought periods when combined with heat strongly affect forests in the last decades. However, neither did all trees die nor even stop growing at all sites. We are interested in the question if below ground interaction with ectomycorrhizal fungi could be partly ...
Karin Pritsch, Max Roth, Fabian Weikl
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Changes in grassland canopy structure across a precipitation gradient
Journal of Vegetation Science, 2000Abstract. In temperate grasslands, the relative importance of above‐ground competition for light compared to below‐ground competition for water and nutrients is hypothesized to increase with increasing precipitation. Thus, competition for light is likely to exert an increasing influence on canopy structure and species composition as precipitation ...
Diana R. Lane +2 more
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Gradient formation in membrane unit for differential precipitation of proteins
AIChE Journal, 2000AbstractA new protein fractionation technique presented transfers ammonium sulfate to create a gradient of ammonium sulfate inside a membrane unit for differential precipitation of proteins called “centrifugal precipitation chromatography.” Because it does not require any solid support, it should provide a better alternative to the conventional ...
Terasut Sookkumnerd +2 more
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African Monsoonal Precipitation Modulated by Interhemispheric Temperature Gradients
Quaternary Research, 2000AbstractThe deglacial pattern of a high-resolution alkenone-derived temperature record from the southeastern tropical Atlantic was compared with one from the northeastern subtropical Atlantic. During Termination 1b, surface waters in the eastern tropical Atlantic (6°S) reached modern temperatures, whereas those in the subtropical northeastern Atlantic (
Stefan Mulitza, Carsten Rühlemann
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The effect of gravity and temperature gradients on precipitation in immiscible alloys
Journal of Materials Science, 1988The structure of immiscible alloys depends on the temperature gradient and the gravity force during solidification. The temperature gradient causes Marangoni movement of the droplets and the gravity force causes sedimentation or flotation of the droplets.
A. Bergman, H. Fredriksson, H. Shahani
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Inferring precipitation-anomaly gradients from tree rings
Quaternary International, 2011Abstract Long-term information on gradients in precipitation-anomaly over tens to hundreds of km is important to hydroclimatology for improved understanding of the spatiotemporal variability of moisture-delivery systems and runoff. Site-centered reconstructions of cool-season (Nov–Apr) precipitation at 36 Quercus douglasii tree-ring sites in the ...
David M. Meko +3 more
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