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Table 1 Average δ18O (standard deviations in brackets) in precipitation for each Changjiang sub-basin

From: Seasonal variability of stable isotopes in the Changjiang (Yangtze) river water and its implications for natural climate and anthropogenic impacts

Month LSa KM CD CQ ZY CS WH YT NJ CU
(A1)b (A2) (B) (C, D) (E) (H) (G, F) (I) (J) (K)
Jan − 10.45 − 3.01 (± 1.50) c − 3.72 (± 2.19) − 5.34 (± 2.40) − 5.91 (± 1.95) − 4.26 − 7.89 (± 0.76) − 5.04
Feb − 5.42 (± 2.39) − 3.13 (± 1.64) − 2.36 (± 1.28) − 4.35 (± 0.55) − 4.33 (± 2.03) − 4.76 − 5.97 (± 0.54) − 5.76
Mar − 16.83 (± 5.25) − 8.17 (± 3.18) − 1.34 (± 5.01) − 3.25 (± 1.22) − 3.33 (± 0.36) − 5.19 (± 2.41) − 4.00 − 6.75 (± 3.12) − 3.01
Apr − 8.38 (± 3.77) − 12.37 (± 2.22) − 2.14 (± 1.88) − 4.08 (± 3.85) − 2.22 (± 1.54) − 2.16 (± 1.86) − 3.50 − 2.91 (± 1.61) − 4.55
May − 6.51 (± 7.80) − 13.10 (± 2.62) − 2.02 (± 1.22) − 4.67 (± 2.39) − 3.04 (± 2.94) − 3.01 (± 1.38) − 4.38 − 4.49 (± 1.59) − 5.84
Jun − 9.19 (± 5.08) − 10.75 (± 1.69) − 5.08 (± 1.73) − 9.16 − 7.91 (± 2.32) − 7.53 (± 1.54) − 7.14 (± 2.76) − 6.67 − 9.55 (± 1.20) − 8.89
Jul − 13.96 (± 4.48) − 10.49 (± 2.70) − 7.75 (± 1.00) − 11.06 − 10.99 (± 2.92) − 9.11 (± 1.53) − 9.63 (± 0.38) − 10.85 − 9.88 (± 1.28) − 8.71
Aug − 21.55 (± 3.22) − 8.58 (± 2.74) − 9.46 (± 2.05) − 11.93 − 10.20 (± 3.02) − 7.67 (± 2.97) − 7.35 (± 1.30) − 8.70 − 9.13 (± 1.21) − 7.51
Sep − 15.87 (± 4.73) − 5.15 (± 2.06) − 7.33 (± 1.77) − 12.82 − 10.92 (± 2.74) − 9.74 (± 2.78) − 7.30 (± 3.51) − 8.95 − 7.99 (± 1.18) − 7.78
Oct − 22.37 (± 4.40) − 4.32 (± 3.22) − 9.08 − 11.89 − 8.53 (± 3.06) − 6.02 (± 2.35) − 6.86 (± 2.55) − 6.41 − 6.66 (± 1.91) − 5.31
Nov − 11.05 − 3.15 (± 3.02) − 4.52 (± 2.28) − 6.97 (± 2.48) − 4.68 (± 1.99) − 7.24 (± 1.32) − 6.92 − 7.18 (± 3.17) − 6.25
Dec − 14.52 − 3.51 (± 2.76) − 7.20 − 3.85 (± 1.12) − 4.12 (± 2.68) − 5.07 (± 0.78) − 4.38 − 8.06 (± 1.81) − 5.87
  1. Data for YT and CU station are referred from Liu et al. [40], while the rest is from GNIP (http://www-naweb.iaea.org/napc/ih/IHS_resources_isohis.html)
  2. aAbbreviations for isotopic observation stations in the Changjiang catchment. LS Lhasa, KM Kunming, CD Chengdu, CQ Chongqing, ZY Zunyi, CS Changsha, WH Wuhan, NJ Nanjing; YT Yingtan, CU Changshu
  3. bThe 12 sub-basins of the Changjiang catchment are indicated by capital letters from A1 to K in Fig. 5
  4. cNo data available