منابع مشابه
WIND SCATTEROMETRY WITH IMPROVED AMBIGUITY SELECTION AND RAIN MODELING by
WIND SCATTEROMETRY WITH IMPROVED AMBIGUITY SELECTION AND RAIN MODELING David Draper Electrical and Computer Engineering Doctor of Philosophy Although generally accurate, the quality of SeaWinds on QuikSCAT scatterometer ocean vector winds is compromised by certain natural phenomena and retrieval algorithm limitations. This dissertation addresses three main contributers to scatterometer estimate...
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Lodging, defined as the permanent displacement of aboveground parts, is a common problem to cause yield loss, deterioration in seed quality and difficult to harvest in canola (Brassica napus L.) crop production. This study aimed to develop a method for assessing crop lodging, to examine how agronomic practices affected the relationships between root lodging and electrical capacitance traits. Ca...
متن کاملWind Speed Effects on Rain Erosivity
*Katharina Helming, Center for Agricultural Landscape and Land Use Research (ZALF), Eberswalder Str. 84, D-15374 Muencheberg, Germany. *Corresponding author: [email protected] ABSTRACT The kinetic energy of rainstorms plays a paramount role in surface sealing, runoff, and erosion processes. Typically, the kinetic energy rate is calculated based on terminal velocity of vertically falling raindrop...
متن کاملWind- and Rain-Induced Vibrations Impose Different Selection Pressures on Multimodal Signaling.
The world is a noisy place, and animals have evolved a myriad of strategies to communicate in it. Animal communication signals are, however, often multimodal; their components can be processed by multiple sensory systems, and noise can thus affect signal components across different modalities. We studied the effect of environmental noise on multimodal communication in the túngara frog (Physalae...
متن کاملRain Catch under Wind and Vegetal Cover Effects
Abstract Wind effects on a rain gage can cause a significant underestimation of rainfall depths and contribute to the inconsistency in rainfall data. To reconstruct rainfall data requires a consistent method to quantify the undercatch. Although some empirical adjustment factors have been recommended, they are not generalized enough to reflect the variations of wind speed with respect to height....
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ژورنال
عنوان ژورنال: Agricultural and Forest Meteorology
سال: 2016
ISSN: 0168-1923
DOI: 10.1016/j.agrformet.2016.07.003