Land use/land cover and point sources of the 15 December 2003 dust storm in southwestern North America

Abstract A major dust event occurred on 15 December 2003 in the Chihuahuan Desert region of Texas and New Mexico (USA) and Chihuahua (Mexico) and in the Southern High Plains region of Texas and New Mexico. Using a MODIS satellite image, 146 individual small-scale sources (plumes) of dust were identified. These plumes merged to form the regional-scale dust storm. The point sources were characterized with respect to land use and land cover using a combination of field work and aerial photography. Fifty-eight of the sources are on cropland, mostly on the Southern High Plains. Forty-nine are on rangeland, from across the entire region. Thirty of the dust plumes originate within playa basins, mostly in the Chihuahuan Desert. Point sources of dust only represent a small fraction of the total land surface at any given moment (i.e., the period when the image was acquired) because most of the land within the region was not subject to erosion during the event. In general, land use and soil characteristics of point sources matched those of adjacent areas that were not emitting dust at the time, suggesting that microscale variations in erodibility or meteorological factors may dictate the actual emission points of dust during individual events.

[1]  Inez Y. Fung,et al.  Contribution to the atmospheric mineral aerosol load from land surface modification , 1995 .

[2]  R. Washington,et al.  Dust-Storm Source Areas Determined by the Total Ozone Monitoring Spectrometer and Surface Observations , 2003 .

[3]  Steven D. Miller,et al.  MODIS provides a satellite focus on Operation Iraqi Freedom , 2006 .

[4]  O. Torres,et al.  ENVIRONMENTAL CHARACTERIZATION OF GLOBAL SOURCES OF ATMOSPHERIC SOIL DUST IDENTIFIED WITH THE NIMBUS 7 TOTAL OZONE MAPPING SPECTROMETER (TOMS) ABSORBING AEROSOL PRODUCT , 2002 .

[5]  Wen-yih Sun,et al.  High Resolution Results and Scalability of Numerical Modeling of Wind Flow at White Sands Missile Range , 2006 .

[6]  O. Boucher,et al.  A satellite view of aerosols in the climate system , 2002, Nature.

[7]  David Newman,et al.  Spatial heterogeneity in aeolian erodibility: Uniform, topographic, geomorphic, and hydrologic hypotheses , 2003 .

[8]  A. Baas,et al.  Formation and behavior of aeolian streamers , 2005 .

[9]  D. Chu,et al.  Improving National Air Quality Forecasts with Satellite Aerosol Observations , 2005 .

[10]  P. Bhartia,et al.  Global distribution of UV-absorbing aerosols from Nimbus 7/TOMS data , 1997 .

[11]  Andrew Baird,et al.  Thresholds of aeolian sand transport: establishing suitable values , 2004 .

[12]  Dale A. Gillette,et al.  Threshold velocities for input of soil particles into the air by desert soils , 1980 .

[13]  Lewis F. Richardson,et al.  Weather Prediction by Numerical Process , 1922 .

[14]  Dale A. Gillette,et al.  Sand flux in the northern Chihuahuan desert, New Mexico, USA, and the influence of mesquite‐dominated landscapes , 2004 .

[15]  Irina N. Sokolik,et al.  Direct radiative forcing by anthropogenic airborne mineral aerosols , 1996, Nature.

[16]  Richard Washington,et al.  Dust and the low‐level circulation over the Bodélé Depression, Chad: Observations from BoDEx 2005 , 2006 .

[17]  Irina N. Sokolik,et al.  Characterization of east Asian dust outbreaks in the spring of 2001 using ground‐based and satellite data , 2005 .

[18]  Richard Washington,et al.  Temporal controls on global dust emissions: The role of surface gustiness , 2007 .

[19]  Ronald Greeley,et al.  Wind as a Geological Process: On Earth, Mars, Venus and Titan , 1985 .

[20]  I. Tegen,et al.  Relative importance of climate and land use in determining present and future global soil dust emission , 2004 .

[21]  E. Cook,et al.  Long-Term Aridity Changes in the Western United States , 2004, Science.

[22]  M. Palecki,et al.  THE DROUGHT MONITOR , 2002 .

[23]  M. Orgill,et al.  Frequency and diurnal variation of dust storms in the contiguous U.S.A. , 1976 .

[24]  C. Moulin,et al.  Impact of human‐induced desertification on the intensification of Sahel dust emission and export over the last decades , 2006 .

[25]  J. Stout.  Seasonal Variations of Saltation Activity on A High Plains Saline Playa: Yellow Lake, Texas , 2003 .

[26]  Yoram J. Kaufman,et al.  Direct wind measurements of Saharan dust events from Terra and Aqua satellites , 2004 .

[27]  N. Mahowald,et al.  Atmospheric global dust cycle and iron inputs to the ocean , 2005 .

[28]  G. McTainsh,et al.  Using geostatistics to elucidate temporal change in the spatial variation of aeolian sediment transport , 2003 .

[29]  R. Clayton,et al.  Tropospheric aerosols from some major dust storms of the Southwestern United States , 1978 .

[30]  S. Lecce,et al.  Eolian Dust Erosion from an Agricultural Field on the North Carolina Coastal Plain , 2002 .

[31]  O. Brasseur.  Development and application of a physical approach to estimating wind gusts , 2001 .

[32]  Dale A. Gillette,et al.  A qualitative geophysical explanation for hot spot dust emitting source regions , 1999 .

[33]  John E. Stout,et al.  A method for establishing the critical threshold for aeolian transport in the field , 2004 .

[34]  R. Davidson‐Arnott,et al.  The effect of wind gusts, moisture content and fetch length on sand transport on a beach , 2005 .

[35]  Weinan Chen,et al.  Particle production and aeolian transport from a “supply‐limited” source area in the Chihuahuan desert, New Mexico, United States , 2001 .

[36]  V. P. Tchakerian,et al.  Magnitude and Frequency of Blowing Dust on the Southern High Plains of the United States, 1947–1989 , 1995 .

[37]  S. Nickovic,et al.  Modeling wind-blown desert dust in the southwestern United States for public health warning: A case study , 2005 .

[38]  Keith D. Hutchison,et al.  Applications of MODIS satellite data and products for monitoring air quality in the state of Texas , 2003 .

[39]  S. Dupont,et al.  Simulation of Turbulent Flow in An Urban Forested Park Damaged by a Windstorm , 2006 .

[40]  D. Breshears,et al.  Temporal and spatial variation of episodic wind erosion in unburned and burned semiarid shrubland. , 2002, Journal of environmental quality.