Trends of Sampling Error in Surface Air Temperature on the Tibetan Plateau during Recent Decades

Figure 5

Linear trend of (a) annual and (b–e) seasonal mean sampling error variances for 1979–2012. The × symbol mark denotes values exceeding the 95% significance level. (a) Annual. (b) Spring. (c) Summer. (d) Autumn. (e) Winter.

(a)

(b)

(c)

(d)

(e)