Comparison of soil infiltration rates in burned and unburned mountainous watersheds

Martin, Deborah A.; Moody, John A.

doi:10.1002/hyp.380

Cited by 260 publications

(186 citation statements)

References 24 publications

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“…A higher soil organic matter content is known to reduce the bulk density (Arvidsson, 1998) and soil compaction (Soane, 1990). Soil organic matter produced by trees is also known to improve the friability of otherwise tight soils, and to enhance soil structural development that will increase the infiltration capacity (Franzluebbers, 2002;Martin and Moody, 2001). …”

Section: Resultsmentioning

confidence: 99%

Inverse estimation of soil hydraulic properties under oil palm trees

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Inverse estimation of soil hydraulic properties under oil palm trees

et al. 2015

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“…Because of burning may deteriorate soil structure by affecting aggregate stability and soil sealing can occur as a result of aggregate breakdown by the rain splash (Mataix-Solera et al, 2011). Moreover, soil pores were reported to be blocked by burning ashes (Neary et al, 1999;Martin and Moody, 2001). In our study site, there is abundant precipitation, which may lead to the breakdown of soil aggregates and redistribution of ashes to block the macro-pores (Lavee et al, 1995).…”

Section: Effect Of Controlled Burning On Soil C Releasementioning

confidence: 99%

Effects of site preparation treatments before afforestation on soil carbon release

Wang

et al. 2016

Forest Ecology and Management

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a b s t r a c tSite preparation, as an important procedure before afforestation, can affect soil C release. However, the effect of site preparation on soil C release has not been sufficiently investigated. Two site clearing treatments (brush clearing and controlled burning) followed by three soil preparation treatments (overall soil preparation, spot soil preparation, and no soil preparation (control)) were carried out in subtropical China. Soil basal respiration (R S ) and C release of biomass burning were measured as soil C release on an area basis from March 2011 to March 2013. The site preparations changed the soil C release in the first year but had no effects in the second year. Compared with brush clearing (control), controlled burning (control) significantly increased the annual soil C release (decreased R S but increased C release of biomass burning) during the first year. Within the brush clearing plots, overall soil preparation significantly increased the R S rate over eight months and resulted in an increase in annual soil C release during the first year compared to the no soil preparation. In contrast, spot soil preparation increased the R S rate only for three months and did not affect the annual soil C release during the first year relative to the no soil preparation. In the controlled burning plots, both overall and spot soil preparation increased the R S rate across six months, but only overall soil preparation caused a significant increase in the annual soil C release. Our study suggests that minimizing the disturbance of the site preparation would decrease soil C release. Concluding, the spot soil preparation followed brush clearing is a good choice for site preparation in term of soil C storage.

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“…The effects of wildfire can decrease canopy interception, thus increasing runoff and changing the chemical and physical properties of soil [25,26]. The infiltration rate after a wildfire has been observed to decrease two to seven-fold [25,27,28], with erosion from overland flow [29], an increase in percent area burned and more open landscape [30]. These are reasons for concern for forest resource managers who investigate the effects on the carbon cycle and forest productivity.…”

Section: Introductionmentioning

confidence: 99%

Watershed Response to Climate Change and Fire-Burns in the Upper Umatilla River Basin, USA

Yazzie

Chang

2017

Climate

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This study analyzed watershed response to climate change and forest fire impacts in the upper Umatilla River Basin (URB), Oregon, using the precipitation runoff modeling system. Ten global climate models using Coupled Intercomparison Project Phase 5 experiments with Representative Concentration Pathways (RCP) 4.5 and 8.5 were used to simulate the effects of climate and fire-burns on runoff behavior throughout the 21st century. We observed the center timing (CT) of flow, seasonal flows, snow water equivalent (SWE) and basin recharge. In the upper URB, hydrologic regime shifts from a snow-rain-dominated to rain-dominated basin. Ensemble mean CT occurs 27 days earlier in RCP 4.5 and 33 days earlier in RCP 8.5, in comparison to historic conditions (1980s) by the end of the 21st century. After forest cover reduction in the 2080s, CT occurs 35 days earlier in RCP 4.5 and 29 days earlier in RCP 8.5. The difference in mean CT after fire-burns may be due to projected changes in the individual climate model. Winter flow is projected to decline after forest cover reduction in the 2080s by 85% and 72% in RCP 4.5 and RCP 8.5, in comparison to 98% change in ensemble mean winter flows in the 2080s before forest cover reduction. The ratio of ensemble mean snow water equivalent to precipitation substantially decreases by 81% and 91% in the 2050s and 2080s before forest cover reduction and a decrease of 90% in RCP 4.5 and 99% in RCP 8.5 in the 2080s after fire-burns. Mean basin recharge is 10% and 14% lower in the 2080s before fire-burns and after fire-burns, and it decreases by 13% in RCP 4.5 and decreases 22% in RCP 8.5 in the 2080s in comparison to historical conditions. Mixed results for recharge after forest cover reduction suggest that an increase may be due to the size of burned areas, decreased canopy interception and less evaporation occurring at the watershed surface, increasing the potential for infiltration. The effects of fire on the watershed system are strongly indicated by a significant increase in winter seasonal flows and a slight reduction in summer flows. Findings from this study may improve adaptive management of water resources, flood control and the effects of fire on a watershed system.

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Comparison of soil infiltration rates in burned and unburned mountainous watersheds

Cited by 260 publications

References 24 publications

Inverse estimation of soil hydraulic properties under oil palm trees

Inverse estimation of soil hydraulic properties under oil palm trees

Effects of site preparation treatments before afforestation on soil carbon release

Watershed Response to Climate Change and Fire-Burns in the Upper Umatilla River Basin, USA

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