Analysis on the Precipitation in Multiple Scales in Xi’an of China

Xu Panpan; Yang Mi; Qian Hui

doi:doi:10.11648/j.earth.20150405.15

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Analysis on the Precipitation in Multiple Scales in Xi’an of China

Xu Panpan, Yang Mi, Qian Hui

Published in Earth Sciences (Volume 4, Issue 5)

Received: 30 November 2015 Published: 1 December 2015

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Abstract

Based on the data of precipitation from 1951 to 2014 in Xi’an,Shanxi Province,China(hereinafter referred to as Xi’an),after analyzing the characteristics of changes in precipitation over the last 64 years,the multiple scale analysis of annual precipitation and flood season precipitation are analyzed by wavelet analysis in Xi'an.The conclusions are as follows:(1)Flood season precipitation accounts for 79.32% of annual precipitation, and the correlation coefficient is 0.94,so,the contribution of precipitation in flood season to annual precipitation is very great.(2) Annual precipitation and flood season precipitation shows a decreasing trend, with a decreasing rate of -11.3mm/10a and -3.17mm /10a, respectively,which shows 72% of the annual precipitation decreases in the non flood season.(3)Annual precipitation sequence and flood season precipitation sequence have the similar main cycle in Xi'an.Their first main periods are 29 years and 31 years, respectively, and the second, the third,the forth main cycles all are 13 years, 6 years and 3 years.(4)Over any time scale,the annual precipitation and the precipitation in flood season will be into a less period after 2014.Since the oscillation intensities of the first and the second main cycles of annual precipitation is basically same,the possibilities of the less period of annual precipitation continuing to 2020 or 2017 are the same.However,the oscillation intensity of the first main cycle of precipitation in flood season is much greater than that of the second main cycle,so the probability of the less period of precipitation in the flood season is more likely to continue to 2020 than 2017.

Published in	Earth Sciences (Volume 4, Issue 5)
DOI	10.11648/j.earth.20150405.15
Page(s)	193-200
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2015. Published by Science Publishing Group

Keywords

Annual Precipitation, Precipitation in the Flood Season, Wavelet Analysis, Xi’an of China

References

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APA Style

Xu Panpan, Yang Mi, Qian Hui. (2015). Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sciences, 4(5), 193-200. https://doi.org/10.11648/j.earth.20150405.15

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ACS Style

Xu Panpan; Yang Mi; Qian Hui. Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sci. 2015, 4(5), 193-200. doi: 10.11648/j.earth.20150405.15

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AMA Style

Xu Panpan, Yang Mi, Qian Hui. Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sci. 2015;4(5):193-200. doi: 10.11648/j.earth.20150405.15

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@article{10.11648/j.earth.20150405.15,
  author = {Xu Panpan and Yang Mi and Qian Hui},
  title = {Analysis on the Precipitation in Multiple Scales in Xi’an of China},
  journal = {Earth Sciences},
  volume = {4},
  number = {5},
  pages = {193-200},
  doi = {10.11648/j.earth.20150405.15},
  url = {https://doi.org/10.11648/j.earth.20150405.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20150405.15},
  abstract = {Based on the data of precipitation from 1951 to 2014 in Xi’an,Shanxi Province,China(hereinafter referred to as Xi’an),after analyzing the characteristics of changes in precipitation over the last 64 years,the multiple scale analysis of annual precipitation and flood season precipitation are analyzed by wavelet analysis in Xi'an.The conclusions are as follows:(1)Flood season precipitation accounts for 79.32% of annual precipitation, and the correlation coefficient is 0.94,so,the contribution of precipitation in flood season to annual precipitation is very great.(2) Annual precipitation and flood season precipitation shows a decreasing trend, with a decreasing rate of -11.3mm/10a and -3.17mm /10a, respectively,which shows 72% of the annual precipitation decreases in the non flood season.(3)Annual precipitation sequence and flood season precipitation sequence have the similar main cycle in Xi'an.Their first main periods are 29 years and 31 years, respectively, and the second, the third,the forth main cycles all are 13 years, 6 years and 3 years.(4)Over any time scale,the annual precipitation and the precipitation in flood season will be into a less period after 2014.Since the oscillation intensities of the first and the second main cycles of annual precipitation is basically same,the possibilities of the less period of annual precipitation continuing to 2020 or 2017 are the same.However,the oscillation intensity of the first main cycle of precipitation in flood season is much greater than that of the second main cycle,so the probability of the less period of precipitation in the flood season is more likely to continue to 2020 than 2017.},
 year = {2015}
}

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TY  - JOUR
T1  - Analysis on the Precipitation in Multiple Scales in Xi’an of China
AU  - Xu Panpan
AU  - Yang Mi
AU  - Qian Hui
Y1  - 2015/12/01
PY  - 2015
N1  - https://doi.org/10.11648/j.earth.20150405.15
DO  - 10.11648/j.earth.20150405.15
T2  - Earth Sciences
JF  - Earth Sciences
JO  - Earth Sciences
SP  - 193
EP  - 200
PB  - Science Publishing Group
SN  - 2328-5982
UR  - https://doi.org/10.11648/j.earth.20150405.15
AB  - Based on the data of precipitation from 1951 to 2014 in Xi’an,Shanxi Province,China(hereinafter referred to as Xi’an),after analyzing the characteristics of changes in precipitation over the last 64 years,the multiple scale analysis of annual precipitation and flood season precipitation are analyzed by wavelet analysis in Xi'an.The conclusions are as follows:(1)Flood season precipitation accounts for 79.32% of annual precipitation, and the correlation coefficient is 0.94,so,the contribution of precipitation in flood season to annual precipitation is very great.(2) Annual precipitation and flood season precipitation shows a decreasing trend, with a decreasing rate of -11.3mm/10a and -3.17mm /10a, respectively,which shows 72% of the annual precipitation decreases in the non flood season.(3)Annual precipitation sequence and flood season precipitation sequence have the similar main cycle in Xi'an.Their first main periods are 29 years and 31 years, respectively, and the second, the third,the forth main cycles all are 13 years, 6 years and 3 years.(4)Over any time scale,the annual precipitation and the precipitation in flood season will be into a less period after 2014.Since the oscillation intensities of the first and the second main cycles of annual precipitation is basically same,the possibilities of the less period of annual precipitation continuing to 2020 or 2017 are the same.However,the oscillation intensity of the first main cycle of precipitation in flood season is much greater than that of the second main cycle,so the probability of the less period of precipitation in the flood season is more likely to continue to 2020 than 2017.
VL  - 4
IS  - 5
ER  -

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Author Information

Xu Panpan

College of Environmental Science and Engineering, Chang'an University, Shanxi, China
Yang Mi

College of Environmental Science and Engineering, Chang'an University, Shanxi, China
Qian Hui

College of Environmental Science and Engineering, Chang'an University, Shanxi, China

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Plain Text BibTeX RIS

APA Style

Xu Panpan, Yang Mi, Qian Hui. (2015). Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sciences, 4(5), 193-200. https://doi.org/10.11648/j.earth.20150405.15

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ACS Style

Xu Panpan; Yang Mi; Qian Hui. Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sci. 2015, 4(5), 193-200. doi: 10.11648/j.earth.20150405.15

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AMA Style

Xu Panpan, Yang Mi, Qian Hui. Analysis on the Precipitation in Multiple Scales in Xi’an of China. Earth Sci. 2015;4(5):193-200. doi: 10.11648/j.earth.20150405.15

Copy | Download

@article{10.11648/j.earth.20150405.15,
  author = {Xu Panpan and Yang Mi and Qian Hui},
  title = {Analysis on the Precipitation in Multiple Scales in Xi’an of China},
  journal = {Earth Sciences},
  volume = {4},
  number = {5},
  pages = {193-200},
  doi = {10.11648/j.earth.20150405.15},
  url = {https://doi.org/10.11648/j.earth.20150405.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20150405.15},
  abstract = {Based on the data of precipitation from 1951 to 2014 in Xi’an,Shanxi Province,China(hereinafter referred to as Xi’an),after analyzing the characteristics of changes in precipitation over the last 64 years,the multiple scale analysis of annual precipitation and flood season precipitation are analyzed by wavelet analysis in Xi'an.The conclusions are as follows:(1)Flood season precipitation accounts for 79.32% of annual precipitation, and the correlation coefficient is 0.94,so,the contribution of precipitation in flood season to annual precipitation is very great.(2) Annual precipitation and flood season precipitation shows a decreasing trend, with a decreasing rate of -11.3mm/10a and -3.17mm /10a, respectively,which shows 72% of the annual precipitation decreases in the non flood season.(3)Annual precipitation sequence and flood season precipitation sequence have the similar main cycle in Xi'an.Their first main periods are 29 years and 31 years, respectively, and the second, the third,the forth main cycles all are 13 years, 6 years and 3 years.(4)Over any time scale,the annual precipitation and the precipitation in flood season will be into a less period after 2014.Since the oscillation intensities of the first and the second main cycles of annual precipitation is basically same,the possibilities of the less period of annual precipitation continuing to 2020 or 2017 are the same.However,the oscillation intensity of the first main cycle of precipitation in flood season is much greater than that of the second main cycle,so the probability of the less period of precipitation in the flood season is more likely to continue to 2020 than 2017.},
 year = {2015}
}

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TY  - JOUR
T1  - Analysis on the Precipitation in Multiple Scales in Xi’an of China
AU  - Xu Panpan
AU  - Yang Mi
AU  - Qian Hui
Y1  - 2015/12/01
PY  - 2015
N1  - https://doi.org/10.11648/j.earth.20150405.15
DO  - 10.11648/j.earth.20150405.15
T2  - Earth Sciences
JF  - Earth Sciences
JO  - Earth Sciences
SP  - 193
EP  - 200
PB  - Science Publishing Group
SN  - 2328-5982
UR  - https://doi.org/10.11648/j.earth.20150405.15
AB  - Based on the data of precipitation from 1951 to 2014 in Xi’an,Shanxi Province,China(hereinafter referred to as Xi’an),after analyzing the characteristics of changes in precipitation over the last 64 years,the multiple scale analysis of annual precipitation and flood season precipitation are analyzed by wavelet analysis in Xi'an.The conclusions are as follows:(1)Flood season precipitation accounts for 79.32% of annual precipitation, and the correlation coefficient is 0.94,so,the contribution of precipitation in flood season to annual precipitation is very great.(2) Annual precipitation and flood season precipitation shows a decreasing trend, with a decreasing rate of -11.3mm/10a and -3.17mm /10a, respectively,which shows 72% of the annual precipitation decreases in the non flood season.(3)Annual precipitation sequence and flood season precipitation sequence have the similar main cycle in Xi'an.Their first main periods are 29 years and 31 years, respectively, and the second, the third,the forth main cycles all are 13 years, 6 years and 3 years.(4)Over any time scale,the annual precipitation and the precipitation in flood season will be into a less period after 2014.Since the oscillation intensities of the first and the second main cycles of annual precipitation is basically same,the possibilities of the less period of annual precipitation continuing to 2020 or 2017 are the same.However,the oscillation intensity of the first main cycle of precipitation in flood season is much greater than that of the second main cycle,so the probability of the less period of precipitation in the flood season is more likely to continue to 2020 than 2017.
VL  - 4
IS  - 5
ER  -

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