Tecnología y Ciencias del Agua - page 116

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Tecnología y Ciencias del Agua
, vol. VIII, núm. 2, marzo-abril de 2017, pp. 105-115
Wang et al., Research on the hydrologic cycle characteristics using stable isotopes of oxygen and hydrogen in the Jinxiuchuan Basin
• ISSN 2007-2422
Conclusions
Rainfall samples were collected examined
from July 2011 to July 2012 in the Jinxiuchuan
Basin. The results showed that composition of
hydrogen and oxygen stable isotopes within
the range of δD and δ18O in China and global
atmospheric precipitation; δD in precipitation
is within the limit of -128.3 to -35.6‰, and the
average is -79.8‰; δ18O ranges from -17.5 to
-5.3‰, and the average is -11.3‰. The local
meteoric water line is δD = 7.16 δ18O + 4.35‰ (R2
= 0.92), which slope and intercept are both less
than the global meteoric water line due to the
impact of evaporation in the Jinxiuchuan Basin.
Values of d-excess vary with time and space.
On the one hand, d values are higher in winter
than summer due to the impact of different air
masses. From here, the following are divided
into the second paragraph. The conversion
relationships and rates of different water bod-
ies are determined preliminarily in water cycle
process of the Jinxiuchuan Basin. Results as
follows: the rates of precipitation transforming
into river water, soil water and groundwater are
43.76, 21.91 and 6.84%, respectively. The rates
of groundwater transforming into river water
is 28.75%, and 27.49% of the surface water sup-
plies the atmosphere by evaporation. Based on
the the analytic result, the conversion relation-
ships and rates of different water body of the
hydrologic cycle in the Jinxiuchuan Basin are
initially determined.
Acknowledgments
Research funding was provided by the National Sci-Tech
Support Plan (grant no. 2012BAD08B05 and 2015BAD20B02),
the Shandong Province Water Conservancy Research and
Technology Promotion Projects (grant no. SDSLKY201410),
the Graduate Innovation Foundation of University of Jinan
(grant no. GIFUJN). Many thanks to Teacher YongSen Wang
at the University of Jinan for assistance with statistical
analysis, and the editors and anonymous reviewers who
provided essential guidance on previous versions of this
manuscript.
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