Research Article

Variation in Surface Solar Radiation and the Influencing Factors in Xinjiang, Northwestern China

Figure 2

Interannual variations in the anomalies of Eg (black solid lines), TCC (red solid lines), and LCC (blue solid lines) smoothed (dashed lines) by using the Lowess robust locally weighted regression algorithm. (a) Annual. (b) Spring. (c) Summer. (d) Autumn. (e) Winter.
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