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Post-fire Soil Hydrophobicity Degradation

Resource type: Collection Resource
Storage: The size of this resource is 386 bytes
Created: Jul 14, 2020 at 8:27 p.m.
Last updated: Jul 14, 2020 at 8:53 p.m.
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This resource includes code and data used within manuscript titled "Freeze-Thaw Processes Degrade Post-fire Water Repellency in Wet Soils" submitted to the Hydrological Processes Journal.

Wildfires are a cause of soil water repellency (hydrophobicity), which reduces infiltration while increasing erosion and flooding from post-fire rainfall. Post-fire soil water repellency degrades over time, often in response to repeated wetting and drying of the soil.

This study characterized the changes in hydrophobicity of Sierra Nevada mountain soils exposed to different combinations of wet-dry and freeze-thaw cycling. There are five treatments total and each treatment received 11 cycle applications after which MED of each cycle was measured using the Molarity of Ethanol (MED) test. Soil Organic Matter (SOM) is often associated with soil hydrophobicity, thus we also measured SOM content of each cycle and treatment with 3 replicas for each using Walkley-Black test.

Furthermore, soils of different hydrophobicities () and one opportunistic sample of the 7th cycle of wet/dry/freeze/thaw treatment were imaged using scanning elctron miscroscopy (SEM) in a BSE mode at 100 times resolution.

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Resource Level Coverage


Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees

Collection Contents

Add Title Type Owners Sharing Status My Permission Remove
MED and SOM Data CompositeResource Ekaterina Rakhmatulina Private & Shareable None
SEM CompositeResource Ekaterina Rakhmatulina Private & Shareable None


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation


People that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Sally Thompson

How to Cite

Rakhmatulina, E. (2020). Post-fire Soil Hydrophobicity Degradation, HydroShare, http://www.hydroshare.org/resource/a042f54f2b42414aa7003937390f575f

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



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