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Table 2 Estimates of dissolved Nd fluxes for rivers, atmosphere, and groundwater and water exchange between the ECS and YS

From: Refining the contribution of riverine particulate release to the global marine Nd budget

Processes

Area

Annual average

Water discharge (km3 yr−1)

Nd (pmol kg−1)

Flux (Mg yr−1)

River input (FQ)

Changjiang River

913.9a

182.4

24.0

Atmospheric input (FP)

 

0.12b

86.0/135.9

0.3

Groundwater input (FG)

 

72c

1054–3606

(11.0–40.3) ± 5.0

Water exchange (FX)e

ECS (FX ECS)

517.2

57.6d

4.3

 

YS (FX YS)

97.9

64.5

0.9

Water output (FR)e

ECS (FR ECS)

729.6

57.6d

6.1

 

YS (FR YS)

138.0

64.5

1.3

  1. aMinistry of Water Resources of the People’s Republic of China (2015)
  2. bLi et al. (2011)
  3. cGu et al. (2012). The exchange rates between the study area and the YS (FX YS) and the ECS (FX ECS) are based on data reported by Liu et al. (2003)
  4. dThe concentration is 57.6 pmol kg−1 in the south YS and 64.5 pmol kg−1 in the ECS (Che and Zhang 2018)
  5. eThe loading of the residual outflows and exchange outflows to the YS (26%, 10%, 5%, Ave. = 14%) and ECS (74%) was estimated from the corresponding water discharges (Liu et al. 2003)