Mathematical Problems in Engineering / 2013 / Article / Fig 2

Research Article

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

Figure 2

Trends for annual and seasonal precipitation during the period 1951–2010 by linear regression method.
929383.fig.002a
(a) Annual
929383.fig.002b
(b) Spring
929383.fig.002c
(c) Summer
929383.fig.002d
(d) Autumn
929383.fig.002e
(e) winter

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.