Analysis of Variation Trends in Precipitation in an Upstream Catchment of Huai River

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="929383.fig.002a" src="https://static.hindawi.com/articles/mpe/volume-2013/929383/figures/929383.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Annual</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="929383.fig.002b" src="https://static.hindawi.com/articles/mpe/volume-2013/929383/figures/929383.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Spring</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="929383.fig.002c" src="https://static.hindawi.com/articles/mpe/volume-2013/929383/figures/929383.fig.002c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Summer</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="929383.fig.002d" src="https://static.hindawi.com/articles/mpe/volume-2013/929383/figures/929383.fig.002d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Autumn</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="929383.fig.002e" src="https://static.hindawi.com/articles/mpe/volume-2013/929383/figures/929383.fig.002e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>winter</td></tr></table></td></tr></table>

<table>Trends for annual and seasonal precipitation during the period 1951–2010 by linear regression method.</table>

Mathematical Problems in Engineering

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Figure 2

Figure 2: Analysis of Variation Trends in Precipitation in an Upstream Catchment of Huai River 