IVind ttiimel tests on silty textured loessial soils throtigbout the Cohimhia Plateau of eastern Wa.shiitg{on slate and northern central Oregon were used ro define soil erndibiltiy for wind erosion predictions. Aggregate and primary particle size distributions were determined hy common techniques and correlated wiih the wind tunnel erosion values. Dry aerodynamic particle sizing by a laser meth...

In the title compound, [Cu(C(2)H(3)O(3))(C(12)H(8)N(2))(2)]NO(3), the Cu(II) atom is coordinated by two phenanthroline (phen) ligands and one carboxyl-O atom of a hy-droxy-acetate anion in a distorted square-pyramidal geometry. The hy-droxy group of the hy-droxy-acetate ligand links with the counter NO(3) (-) anion via a pair of bifurcated O-H⋯O hydrogen bonds. The centroid-centroid distance of...

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Rain affects the wind measurement accuracy of Ku-band spaceborne scatterometer. In order to improve quality retrieved field, it is necessary identify and flag rain-contaminated data. this study, an HY-2A scatterometer used study rain identification. addition conventional parameters, such as speed, direction relative along-track direction, normalized beam difference, experiment expands mean devi...

地球物理模式函数GMF（Geophysical Model Functionï¼‰åœ¨æ˜Ÿè½½å¾®æ³¢æ•£å°„è®¡æµ·é¢é£Žåœºåæ¼”ä¸­å ·æœ‰å ³é”®ä½œç”¨ã€‚æœ¬æ–‡ä»¥C波段MetOp/ASCAT散射计风场数据为参考数据，通过改进现有Ku波段NSCAT-4 GMFä¸­åŽå‘æ•£å°„ç³»æ•°å¯¹æµ·é¢é£Žé€Ÿå’Œé£Žå‘çš„ä¾èµ–å ³ç³»ï¼Œä»¥åŠå¢žåŠ æµ·è¡¨æ¸©åº¦ï¼ˆSSTï¼‰å› å­é¡¹ï¼Œæž„å»ºäº†é€‚ç”¨äºŽHY-2卫星微波散射计海面风场反演...

In the run-up to a governmental invitation to tender for the construction offshore wind farms in the Languedoc Rousillon, coastal municipalities have been voicing fear about their potential impact on the tourist industry. To understand how offshore wind farms may affect tourism, we conducted a choice experiment with coastal tourists in Languedoc Rousillon. We elicited willingness to pay and wil...

We periodically modulate a turbulent wind-tunnel flow with an active grid. We find a resonant enhancement of the mean turbulent dissipation rate at a modulation frequency which equals the large-eddy turnover rate. Thus, we find the best frequency to inject energy into a turbulent flow. The resonant response is characterized by the emergence of vortical structures in the flow and depends on the ...

In this paper, we show that a minimum time solution for the trajectory planning problem in the presence of wind for a micro air vehicle with a minimum turn radius constraint exists. For a non-zero, time-varying wind vector field, we provide easily checked sufficient conditions under which a minimum-time solution exists. We also prove uniqueness for almost every combination of initial and final ...

Under low to medium wind speeds and no rainfall, the retrieved vector from a scatterometer is accurate reliable. However, under high conditions, currently used geophysical model function (GMF), such as NSCAT-2, for retrieval has disadvantage of overestimating backscattering coefficient, which leads decrease in quality ocean surface winds. To enhance precision HY-2A new GMF (HW-GMF) established ...