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With ideal spatial adaptation, an oracle furnishes information about how best to adapt a spatially variable estimator, whether piecewise constant, piecewise polynomial, variable knot spline, or variable bandwidth kernel, to the unknown function. Estimation with the aid of an oracle o ers dramatic

High-frequency sound propagation in shallow water is highly sensitive to changes in the environmental parameters like water depth, source-receiver range or bottom slope, etc., leading to a high spatial variability of the channel impulse response. Among others, this may inuence the performance

iabi nea The mean trend of the shear strength parameters has a significant influence on clay slope reliability. The in ge soil is effect of spatial variability of the undrained shear strength on the probability of failure of a slope. Low et al. [24] proposed a practical EXCEL procedure to analyze

ca pro s to spatial resolution using auxiliary data in a semiarid ecosystem in southeastern of soil ls because they intro-n of sample locations, ribe the reality of soil tochastic soil forming

This paper reports on using Geographic Information Systems to identify spatial variation in fruit quality across orchard blocks. With the advent of non-destructive grading technologies such as near infrared spectroscopy, it now possible to record internal fruit quality data on most, if not all

Abstract. We present a detailed description of the TES methanol (CH3OH) retrieval algorithm, along with initial global results showing the seasonal and spatial distribution of methanol in the lower troposphere. The full development of the TES methanol retrieval is described, including microwin

for effective agronomic P management and environmental P assessment. A recent SERA-17 position paper (Vadas et al., 2006) addressed the issue of soil sampling depth. This position paper summarizes important practical aspects of topsoil P variability (within 20 cm depth) across the landscape with an emphasis

Abstract. In this paper, we study whether the variability introduced in the Canary region by the Canary Islands on perturbing the general flow of the Canary Current and trade winds, and by the Northwest African upwelling, is manifested in the mesozooplankton biomass distribution and ichthyo

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