Changes in measured spatiotemporal patterns of hydrological response after partial deforestation in a headwater catchment

Wiekenkamp, Inge; Huisman, Johan Alexander; Bogena, Heye; Graf, Alexander; Lin, Henry; Drüe, Clemens; Vereecken, Harry

doi:10.1016/j.jhydrol.2016.09.037

Cited by 48 publications

(62 citation statements)

References 55 publications

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“…Although precipitation data from the deforested region in the Wüstebach catchment were available after deforestation, data from the Kalterherberg station were used for the entire time period for consistency. An earlier comparison between both stations already revealed that on-site measurements showed a good agreement with the data from the Kalterherberg station [33].…”

Section: Test Site and Measurement Setupmentioning

confidence: 54%

“…Overall, the differences between the treatment and reference area were largest for the uppermost sensors (5 cm depth) and smallest for the deepest sensors (50 cm depth). More details about the general changes in soil moisture characteristics that were observed in the Wüstebach catchment can be found in Wiekenkamp et al [33]. Comparison of precipitation event characteristics before (blue) and after (red) partial deforestation using a normal y-axis (right) and a log scaled y-axis (left): (A) total event based precipitation, (B) maximum event based precipitation, (C) mean event based precipitation and (D) the total event duration.…”

Section: Time Series Of Precipitation and Soil Moisturementioning

confidence: 99%

“…Dye tracer studies have shown that there can be a large difference in preferential flow occurrence for different vegetation covers, highlighting the important role that trees and other vegetation can play in subsurface infiltration [27][28][29][30][31]. However, the interactions between vegetation, soil moisture storage, and water flow in the vadose zone are complex and still not fully understood [32,33], and the amount of studies that has focused on this topic remains limited. In particular, most of the existing studies have followed a qualitative approach, and the existing dye tracer studies only provided a single snapshot of soil water flow in time.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Deforestation on Water Flow in the Vadose Zone

Wiekenkamp

Huisman

Bogena

et al. 2019

Water

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The effects of land use change on the occurrence and frequency of preferential flow (fast water flow through a small fraction of the pore space) and piston flow (slower water flow through a large fraction of the pore space) are still not fully understood. In this study, we used a five year high resolution soil moisture monitoring dataset in combination with a response time analysis to identify factors that control preferential and piston flow before and after partial deforestation in a small headwater catchment. The sensor response times at 5, 20 and 50 cm depths were classified into one of four classes: (1) non-sequential preferential flow, (2) velocity based preferential flow, (3) sequential (piston) flow, and (4) no response. The results of this analysis showed that partial deforestation increased sequential flow occurrence and decreased the occurrence of no flow in the deforested area. Similar precipitation conditions (total precipitation) after deforestation caused more sequential flow in the deforested area, which was attributed to higher antecedent moisture conditions and the lack of interception. At the same time, an increase in preferential flow occurrence was also observed for events with identical total precipitation. However, as the events in the treatment period (after deforestation) generally had lower total, maximum, and mean precipitation, this effect was not observed in the overall occurrence of preferential flow. The results of this analysis demonstrate that the combination of a sensor response time analysis and a soil moisture dataset that includes pre-and post-deforestation conditions can offer new insights in preferential and sequential flow conditions after land use change.

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Section: Test Site and Measurement Setupmentioning

confidence: 54%

Section: Time Series Of Precipitation and Soil Moisturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Deforestation on Water Flow in the Vadose Zone

Wiekenkamp

Huisman

Bogena

et al. 2019

Water

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“…The presence of native forests in an advanced stage of development provides better conditions for the development and maintenance of gravitational pores with higher SDP, and formation of preferential flows throughout the soil profile (Bonell et al, 2010;Curi, 2012;Pinto et al, 2015b). Therefore, even the partial deforestation can bring substantial changes in patterns of hydrological response of the headwater catchments (Wiekenkamp et al, 2016). Price, Jackson and Parker (2010), in a hydrological study carried out in mountainous catchments, also found that the conversion of native vegetation to agricultural uses reduced soil infiltration and soil-water storage capabilities, resulting in increased surface runoff and reduced subsurface storage.…”

Section: Resultsmentioning

confidence: 99%

Land-use effect on hydropedology in a mountainous region of Southeastern Brazil

et al. 2017

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In Brazil, the Mantiqueira Range, southeastern region, shelters the last remnants of the ecologically important Upper Montane Tropical Forest. since extensive exploration that has been taking place in this biome for decades, the influence of land-use changes on hydropedology in these areas must be investigated once major land-use changes have been observed. This study aims to evaluate the land-use influence on soil drainable porosity (SDP) in a headwater watershed located in the Mantiqueira Range region, and to validate the proposed methods based on micromorphological and hydrological indicators. The native vegetation of the study area is Atlantic forest that occupies 62% of the area, and the remaining 38% has been used for pasture. Thirty nine combinations of environmental variables were tested, each one generating a map for predicting SDP. The performance of the spatial prediction of SDP was assessed using 20% of the data from the total number of samples collected throughout the watershed. The least values of SDP are due to the process of removal of native forest and replacement by pasture. Areas with high to moderate SDP are associated with native forest fragments demonstrating the effects of the Atlantic Forest on the water infiltration and groundwater recharge processes, given by the greater contribution of baseflow in a forested catchment located within the studied watershed. The analysis of soil micromorphological images provided useful supporting information on the soil porosity system and along with hydrological properties of the watershed helped understand the SDP behavior on subsurface and groundwater storage capacity. Index terms:Upper montane tropical forest; ecological services; mapping modeling; geomorphons. RESUMONo Brasil, a Serra da Mantiqueira, abriga um dos últimos remanescentes da Floresta Tropical de Altitude. Devido a grande exploração que vem ocorrendo neste bioma há décadas, a influência na hidropedologia decorrente das mudanças do uso do solo deve ser investigada. O objetivo deste estudo foi avaliar a influência do uso do solo na porosidade drenável do solo (PDS) em uma bacia hidrográfica localizada na região da Serra da Mantiqueira e validar os métodos propostos com base em indicadores micromorfológicos e hidrológicos. A vegetação nativa da área de estudo é a Mata Atlântica que ocupa 62% da área, e com os 38% restantes utilizados para pastagem. Trinta e nove combinações de variáveis ambientais foram testadas, cada uma gerando um mapa para predizer a PDS. O desempenho da predição espacial da PDS foi avaliado utilizando 20% dos dados do número total de amostras coletadas em toda a bacia hidrográfica. Os menores valores de PDS são devidos ao processo de remoção de floresta nativa e substituição por pastagem. Áreas com altos a moderados valores de PDS estão associadas a fragmentos de florestas nativas que demonstram os efeitos da Mata Atlântica nos processos de infiltração de água e de recarga de água subterrânea na região da Mantiqueira, dada a maior contribuição do fluxo base em ...

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“…forest. The management practice, combined with the unique continuous monitoring setup, revealed new insights related to effects of the deforestation on spatiotemporal hydrological fluxes in the catchment (Wiekenkamp et al, 2016b) and on the transport of sulfate in stream, groundwater, and in the soils (Golor, 2016). The collection of the soil samples for the present dataset was performed before the deforestation, thus providing information on the soil state before the disturbance.…”

Section: Dataset Descriptionmentioning

confidence: 99%

A Dataset for Three‐Dimensional Distribution of 39 Elements Including Plant Nutrients and Other Metals and Metalloids in the Soils of a Forested Headwater Catchment

Wiekenkamp

Sun

et al. 2017

J of Env Quality

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Quantification and evaluation of elemental distribution in forested ecosystems are key requirements to understand element fluxes and their relationship with hydrological and biogeochemical processes in the system. However, datasets supporting such a study on the catchment scale are still limited. Here we provide a dataset comprising spatially highly resolved distributions of 39 elements in soil profiles of a small forested headwater catchment in western Germany () to gain a holistic picture of the state and fluxes of elements in the catchment. The elements include both plant nutrients and other metals and metalloids that were predominately derived from lithospheric or anthropogenic inputs, thereby allowing us to not only capture the nutrient status of the catchment but to also estimate the functional development of the ecosystem. Soil samples were collected at high lateral resolution (≤60 m), and element concentrations were determined vertically for four soil horizons (L/Of, Oh, A, B). From this, a three-dimensional view of the distribution of these elements could be established with high spatial resolution on the catchment scale in a temperate natural forested ecosystem. The dataset can be combined with other datasets and studies of the TERENO (Terrestrial Environmental Observatories) Data Discovery Portal () to reveal elemental fluxes, establish relations between elements and other soil properties, and/or as input for modeling elemental cycling in temperate forested ecosystems.

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Changes in measured spatiotemporal patterns of hydrological response after partial deforestation in a headwater catchment

Cited by 48 publications

References 55 publications

Effects of Deforestation on Water Flow in the Vadose Zone

Effects of Deforestation on Water Flow in the Vadose Zone

Land-use effect on hydropedology in a mountainous region of Southeastern Brazil

A Dataset for Three‐Dimensional Distribution of 39 Elements Including Plant Nutrients and Other Metals and Metalloids in the Soils of a Forested Headwater Catchment

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