Search Results - "Hewawasam, Tilak"

Impact of soil and water conservation measures on soil erosion rate and sediment yields in a tropical watershed in the Central Highlands of Sri Lanka by Diyabalanage, Saranga, Samarakoon, K.K., Adikari, S.B., Hewawasam, Tilak

“…The Upper Mahaweli Catchment (UMC) is a very important watershed in the Central Highlands of Sri Lanka since it contains a series of multipurpose reservoirs…”
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Adaptation of the revised universal soil loss equation to map spatial distribution of soil erosion in tropical watersheds: a GIS/RS-based study of the Upper Mahaweli River Catchment of Sri Lanka by Somasiri, I. S., Hewawasam, Tilak, Rambukkange, M. P.

“…Soil erosion is a serious issue in highland areas of Sri Lanka that are dominated by extensive agricultural activities. Methods capable of rapidly assessing…”
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Cosmogenic nuclide evidence for low weathering and denudation in the wet, tropical highlands of Sri Lanka by von Blanckenburg, Friedhelm, Hewawasam, Tilak, Kubik, Peter W.

“…Some of the lowest weathering and erosion rates in any mountain range in the world have been measured using cosmogenic nuclides in the steep, humid, tropical…”
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Geo-vegetation Mapping and Soil Geochemical Characteristics of the Indikolapelessa Serpentinite Outcrop, Southern Sri Lanka by Hewawasam, Tilak, Fernando, G. W. A. R., Priyashantha, Danushka

“…The serpentinite blocks of Indikolapelessa, located along an identified litho-tectonic boundary between the Highland Complex （HC） and the Vijayan Complex （VC）…”
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Nutrient cycling in a tropical montane rainforest under a supply-limited weathering regime traced by elemental mass balances and Mg stable isotopes by Schuessler, Jan A., von Blanckenburg, Friedhelm, Bouchez, Julien, Uhlig, David, Hewawasam, Tilak

“…Forest ecosystem nutrition and rock weathering are intimately linked through the supply of mineral nutrients and recycling (re-utilisation of nutrients…”
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Quantifying sheet erosion in agricultural highlands of Sri Lanka by tracking grain-size distributions by Hewawasam, Tilak, Illangasinghe, Sandun

“…The reduction of productivity in arable lands of the tropical highlands through intensified soil erosion is a major reason for food scarcity in many developing…”
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Mineralogical transformations set slow weathering rates in low-porosity metamorphic bedrock on mountain slopes in a tropical climate by Behrens, Ricarda, Bouchez, Julien, Schuessler, Jan A., Dultz, Stefan, Hewawasam, Tilak, von Blanckenburg, Friedhelm

“…In the Sri Lankan Highlands erosion and chemical weathering rates are among the lowest for global mountain denudation. In this tropical humid setting, highly…”
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Introducing surface sampling threshold factor for suspended sediment transport: model development using Sri Lankan tropical highland river basins by Illangasinghe, Sandun, Hewawasam, Tilak

“…Estimation of suspended sediment concentration (SSC) in rivers is a prerequisite to address many issues related to hydrology. Therefore, we make an attempt in…”
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Slow advance of the weathering front during deep, supply-limited saprolite formation in the tropical Highlands of Sri Lanka by Hewawasam, Tilak, von Blanckenburg, Friedhelm, Bouchez, Julien, Dixon, Jean L., Schuessler, Jan A., Maekeler, Ricarda

“…Silicate weathering – initiated by major mineralogical transformations at the base of ten meters of clay-rich saprolite – generates the exceptionally low…”
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Effects of urban land change on ecosystem service values in the Bolgoda Wetland, Sri Lanka by Athukorala, Darshana, Murayama, Yuji, Bandara, C.M. Madduma, Lokupitiya, Erandathie, Hewawasam, Tilak, Gunatilake, Jagath, Karunaratne, Siri

“…•Urbanization impact ESVs the greatest.•Analyzed and predicted wetland change using the LCM.•Sensitivity Index shows LUC change has a positive impact on ESVs…”
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Cosmogenic nuclide evidence for low weathering and denudation in the wet, tropical highlands of Sri Lanka by VON BLANCKENBURG, Friedhelm, HEWAWASAM, Tilak, KUBIK, Peter W

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