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Fig. 6 | Hydrogeology Journal

Fig. 6

From: Complex interactions between climate change, sanitation, and groundwater quality: a case study from Ramotswa, BotswanaInteractions complexes entre changement climatique, assainissement et qualité des eaux souterraines: un cas d’étude à Ramotswa, BotswanaInteracciones complejas entre cambio climático, saneamiento y calidad del agua subterránea: un estudio de caso de Ramotswa, Botswana气候变化、卫生设施和地下水水质之间的复杂相互作用:博茨瓦纳拉莫茨瓦的一个研究案例Interações complexas entre mudanças climáticas, saneamento e qualidade das águas subterrâneas: estudo de caso de Ramotswa, Botswana

Fig. 6

Dissolved N2O was significantly and positively related to nitrate concentration. Error bars represent N2O standard error among three replicate measurements on one sample date. Shaded area is the 95% confidence interval for regression analysis (p < 0.0001 and adjusted R2 = 0.70, Table S2 of the ESM). BH 4422 and BH 4400 were inaccessible in February 2017 (only time N2O samples were collected). Many BHs were C-limited over the four sampling trips (Fig. S6 of the ESM). BH 4160 N2O concentration was 47.75 μg N2O L−1 (not shown) and was not C-limited

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