Supplement for: Hydrological trade-offs due to different land covers and land uses in the Brazilian Cerrado


Authors:
Owners: Jamil Alexandre Ayach Anache
Type: Resource
Storage: The size of this resource is 352.5 KB
Created: Nov 28, 2018 at 4:31 p.m.
Last updated: Feb 12, 2019 at 5:23 p.m. (Metadata update)
Published date: Feb 12, 2019 at 5:22 p.m.
DOI: 10.4211/hs.a1c032dbb78d48748b673c876c20b21c
Citation: See how to cite this resource
Sharing Status: Published
Views: 2897
Downloads: 51
+1 Votes: 1 other +1 this
Comments: No comments (yet)

Abstract

This is the supplement for: Anache, J. A. A., Wendland, E., Rosalem, L. M. P., Youlton, C., and Oliveira, P. T. S.: Hydrological trade-offs due to different land covers and land uses in the Brazilian Cerrado, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2018-415, in review, 2018.

Farmland expansion in the Brazilian Cerrado, considered one of the largest agricultural frontiers in the world, has the potential to alter water fluxes on different spatial scales. Despite some large-scale studies being developed, there are still few investigations in experimental sites in this region. Here, we investigate the water balance components in experimental plots and the groundwater table fluctuation in different land covers: wooded Cerrado, sugarcane, pasture and bare soil. Furthermore, we identify possible water balance trade-offs due to the different land covers. This study was developed between 2012 and 2016 in the central region of the state of São Paulo, Southern Brazil. Hydrometeorological variables, groundwater table, surface runoff and other water balance components were monitored inside experimental plots containing different land covers; the datasets were analyzed using statistical parameters; and the water balance components uncertainties were computed. Replacing wooded Cerrado by pastureland and sugarcane shifts the overland flow (up to 42 mm yr-1), and water balance residual (up to 504 mm yr-1). This fact suggests significant changes in the water partitioning in a transient land cover and land use (LCLU) system, as the evapotranspiration is lower (up to 719 mm yr-1) in agricultural land covers than in the undisturbed Cerrado. We recommend long-term observations considering multiple scales to continue the evaluations initiated in this study, mainly because tropical environments have few basic studies at the hillslope scale and more assessments are needed for a better understanding of the real field conditions. Such efforts should be made to reduce uncertainties, validate the water balance hypothesis and catch the variability of hydrological processes.

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
-22.1684°
East Longitude
-47.8476°
South Latitude
-22.1848°
West Longitude
-47.8704°

Temporal

Start Date: 01/01/2012
End Date: 12/31/2016
Leaflet Map data © OpenStreetMap contributors

Content

    No files to display.

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Fundação de Amparo à Pesquisa do Estado de São Paulo - FAPESP 2015/03806-1

How to Cite

Anache, J. A. A. (2019). Supplement for: Hydrological trade-offs due to different land covers and land uses in the Brazilian Cerrado, HydroShare, https://doi.org/10.4211/hs.a1c032dbb78d48748b673c876c20b21c

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

Comments

There are currently no comments

New Comment

required