What question did this study set out to answer?

To determine the individual and combined contributions of land-use change, climate variables, and atmospheric deposition to decadal surface water browning.

October 31, 2019Global Change BiologyOpen Access

Afforestation driving long‐term surface water browning

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Authors

MŠMartin ŠkerlepSwedish University of Agricultural Sciences ESEva SteinerPennsylvania State University AAAnna‐Lena AxelssonSwedish University of Agricultural Sciences

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Implication

Long-term time-series analysis reveals spruce afforestation and sulfur deposition drive decadal surface water browning in a river catchment, highlighting land-use impacts on aquatic carbon cycles.

Key Points

To determine the individual and combined contributions of land-use change, climate variables, and atmospheric deposition to decadal surface water browning.
Analyzed high-frequency water color monitoring data (~20 measurements per month) spanning 1940 to 2016 from a river in southern Sweden.
Modeled water color variability against explanatory drivers, including precipitation, temperature, atmospheric sulfur deposition, and Norway spruce (Picea abies) standing volume.
Precipitation, temperature, sulfur deposition, and Norway spruce volume together predicted 75% of the long-term variation in water color.
Norway spruce volume expansion provided the highest explanatory contribution to long-term browning trends, followed by reductions in atmospheric sulfur deposition, whereas precipitation primarily drove seasonal fluctuations.

Cite This Study

Škerlep et al. (2019) studied this question.

synapsesocial.com/papers/69da5c88387cf706986868f0 https://doi.org/10.1111/gcb.14891

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Implication

Long-term time-series analysis reveals spruce afforestation and sulfur deposition drive decadal surface water browning in a river catchment, highlighting land-use impacts on aquatic carbon cycles.

Afforestation driving long‐term surface water browning

Discussion

Member takes

Implication

Key Points

Cite This Study

Afforestation driving long‐term surface water browning

Discussion

Member takes

Implication

Key Points

Cite This Study

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