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Title: Statistics of wind direction and its increments

Abstract

We study some elementary statistics of wind direction fluctuations in the atmosphere for a wide range of time scales (10{sup -4} sec to 1 h), and in both vertical and horizontal planes. In the plane parallel to the ground surface, the direction time series consists of two parts: a constant drift due to large weather systems moving with the mean wind speed, and fluctuations about this drift. The statistics of the direction fluctuations show a rough similarity to Brownian motion but depend, in detail, on the wind speed. This dependence manifests itself quite clearly in the statistics of wind-direction increments over various intervals of time. These increments are intermittent during periods of low wind speeds but Gaussian-like during periods of high wind speeds. (c) 2000 American Institute of Physics.

Authors:
 [1];  [1];  [1];  [2]
  1. Mason Laboratory, Yale University, New Haven, Connecticut 06520-8286 (United States)
  2. Brookhaven National Laboratory, Upton, New York 11973 (United States)
Publication Date:
OSTI Identifier:
20216385
Resource Type:
Journal Article
Journal Name:
Physics of Fluids (1994)
Additional Journal Information:
Journal Volume: 12; Journal Issue: 6; Other Information: PBD: Jun 2000; Journal ID: ISSN 1070-6631
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; WIND; STATISTICAL DATA; FLUCTUATIONS; EARTH ATMOSPHERE; BROWNIAN MOVEMENT; VELOCITY; EXPERIMENTAL DATA; THEORETICAL DATA

Citation Formats

Doorn, Eric van, Dhruva, Brindesh, Sreenivasan, Katepalli R., and Cassella, Victor. Statistics of wind direction and its increments. United States: N. p., 2000. Web. doi:10.1063/1.870401.
Doorn, Eric van, Dhruva, Brindesh, Sreenivasan, Katepalli R., & Cassella, Victor. Statistics of wind direction and its increments. United States. doi:10.1063/1.870401.
Doorn, Eric van, Dhruva, Brindesh, Sreenivasan, Katepalli R., and Cassella, Victor. Thu . "Statistics of wind direction and its increments". United States. doi:10.1063/1.870401.
@article{osti_20216385,
title = {Statistics of wind direction and its increments},
author = {Doorn, Eric van and Dhruva, Brindesh and Sreenivasan, Katepalli R. and Cassella, Victor},
abstractNote = {We study some elementary statistics of wind direction fluctuations in the atmosphere for a wide range of time scales (10{sup -4} sec to 1 h), and in both vertical and horizontal planes. In the plane parallel to the ground surface, the direction time series consists of two parts: a constant drift due to large weather systems moving with the mean wind speed, and fluctuations about this drift. The statistics of the direction fluctuations show a rough similarity to Brownian motion but depend, in detail, on the wind speed. This dependence manifests itself quite clearly in the statistics of wind-direction increments over various intervals of time. These increments are intermittent during periods of low wind speeds but Gaussian-like during periods of high wind speeds. (c) 2000 American Institute of Physics.},
doi = {10.1063/1.870401},
journal = {Physics of Fluids (1994)},
issn = {1070-6631},
number = 6,
volume = 12,
place = {United States},
year = {2000},
month = {6}
}