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Abstract - Issue Jul 2015, 36 (4) Back
nstantaneous and historical temperature effects on a-pinene
tracing of Nd isotopes of sandstorm in Harbin, Heilongjiang province and
analysis of its tracks
Mingzhong Tian2 and Jie Cheng2
of Geological Sciences, Beijing-100037, China
2Faculty of Earth
Science and Resources, China University of Geosciences, Beijing-100083, China
Author?s Email : firstname.lastname@example.org
07 June 2014
30 September 2014
01 January 2015
07 February 2015
present study analyzed sandstorms in Harbin, a city in Heilongjiang province
in northeastern part of China. Based on the available ground observation data
from meteorological stations in Harbin from 1961 to 2010, investigation was
conducted for temporal and spatial distribution characteristics and weather
conditions. 48 samples of dust collected from two sites were studied in
laboratory. By testing the major and trace elements in samples collected,
along with Nd isotope content, the component characteristics of these samples
was determined. Annual change in law of sandstorm occurrence was found.
Increase in occurrence of dust and sand was particularly obvious since 21st
century. Occurrence of sandstorm frequency in different seasons was not same.
It was high during spring and fall while low during summer and winter.
Occurrence of sandstorm in Harbin was potentially related to direction of
strong-wind, and winds from southwest was predominant; Horqin sandy land and
Otindag sandy land was deemed as far-forth mass source, and the farmland and
desertification area around Harbin was near-source. ??
Nd isotopic tracing, Sandstorm
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