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Metadata Files

Data Publication

Major element stream water chemistry, compiled 10Be erosion rates, and analyses of weathering across an erosion-rate gradient in in southern Taiwan

Bufe, Aaron | Hovius, Niels | Emberson, Robert | Rugenstein, Jeremy K. C. | Galy, Albert | Hassenruck-Gudipati, Hima J. | Chang, Jui-Ming

GFZ Data Services

(2021)

Descriptions

This dataset was used to analyse the link between chemical weathering and erosion rates across the southern tip of Taiwan. The weathering of silicate minerals is a key component of Earth’s long-term carbon cycle, and it stabilises Earth’s climate by sequestering carbon dioxide (CO2) from the atmosphere – thereby balancing CO2-emissions from the mantle. Conversely, the weathering of accessory carbonate and sulphides acts as a CO2 source. Chemical weathering is fundamentally dependent on the exposure of fresh minerals by erosion. With these data we investigated the link between the exposure of rocks by erosion and the chemical weathering of silicates, carbonates, and sulphides across a landscape with a significant erosion-rate gradient and comparatively little variation in runoff and lithology. This dataset includes new major element chemistry and water isotopes of river waters collected from across the southern tip of Taiwan as well as associated topographic and lithologic data (tab 1 in the excel table). Moreover, the data include a compilation of published 10Be-derived erosion rates from a subset of the sampled rivers (tab 2 in the excel file) and available major element chemistry from hotsprings in the region (tab 3 in the excel file). Using a mixing model, we derived the cation contributions from silicate and carbonate weathering as well as from hotspring and cyclic sources. Further, we estimated the erosion rates for each sample from the compiled 10Be data and the steepness of river channels, and we estimated saturation and pH in the weathering zone. For more information please refer to the associated data description file and especially to Bufe et al. (2021).

Keywords


Originally assigned keywords
major element chemistry
water isotopes
rivers
Taiwan
erosion rate
silicate and carbonate weathering
hot springs
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROCESSES > CHEMICAL WEATHERING
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES > ISOTOPE MEASUREMENTS
EARTH SCIENCE > SOLID EARTH > GEOMORPHIC LANDFORMS/PROCESSES > FLUVIAL PROCESSES > WEATHERING

MSL enriched keywords
minerals
chemical elements
carbon
carbonate minerals
silicate minerals
measured property
carbon (C)
carbon dioxide
pH

MSL enriched sub domains i

geochemistry

Source

https://dataservices.gfz-potsdam.de/panmetaworks/showshort.php?id=df609f53-6d3e-11eb-9603-497c92695674

Source publisher

GFZ Data Services


DOI

10.5880/gfz.4.6.2021.001


Creators

Bufe, Aaron

GFZ German Research Centre for Geosciences, Potsdam, Germany

ORCID:

https://orcid.org/0000-0002-8551-7265

Hovius, Niels

GFZ German Research Centre for Geosciences, Potsdam, Germany | Institute of Geosciences, University of Potsdam, Potsdam, Germany

ORCID:

https://orcid.org/0000-0002-9158-9871

Emberson, Robert

NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA

ORCID:

https://orcid.org/0000-0002-2823-4453

Rugenstein, Jeremy K. C.

Max Planck Institute for Meteorology, Hamburg, Germany

ORCID:

https://orcid.org/0000-0003-4123-3305

Galy, Albert

Centre de Recherches Pétrographiques et Géochimiques, CNRS, Université de Lorraine, Nancy, France

ORCID:

https://orcid.org/0000-0001-9978-4287

Hassenruck-Gudipati, Hima J.

Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78712, USA

ORCID:

https://orcid.org/0000-0003-3885-7387

Chang, Jui-Ming

Department of Geosciences, National Taiwan University, 10617 Taipei, Taiwan

ORCID:

https://orcid.org/0000-0003-1552-2744


Contributors

Bufe, Aaron

ContactPerson

GFZ German Research Centre for Geosciences, Potsdam, Germany


References

http://210.69.81.175/

10.1029/2018jf004672


Citation

Bufe, A., Hovius, N., Emberson, R., Rugenstein, J. K. C., Galy, A., Hassenruck-Gudipati, H. J., & Chang, J.-M. (2021). Major element stream water chemistry, compiled 10Be erosion rates, and analyses of weathering across an erosion-rate gradient in in southern Taiwan [Data set]. GFZ Data Services. https://doi.org/10.5880/GFZ.4.6.2021.001


Dates

Issued:

2021


Rights

Creative Commons Attribution 4.0 International