Search Results - "Aalto, Rolf"

Fluvial sediment supply to a mega-delta reduced by shifting tropical-cyclone activity by Darby, Stephen E., Hackney, Christopher R., Leyland, Julian, Kummu, Matti, Lauri, Hannu, Parsons, Daniel R., Best, James L., Nicholas, Andrew P., Aalto, Rolf

“…About a third of the sediment delivery of the Mekong River is shown to be associated with rainfall generated by tropical cyclones, suggesting that future delta…”
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Riverine coupling of biogeochemical cycles between land, oceans, and atmosphere by Aufdenkampe, Anthony K, Mayorga, Emilio, Raymond, Peter A, Melack, John M, Doney, Scott C, Alin, Simone R, Aalto, Rolf E, Yoo, Kyungsoo

“…Streams, rivers, lakes, and other inland waters are important agents in the coupling of biogeochemical cycles between continents, atmosphere, and oceans. The…”
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The geomorphology of the Anthropocene: emergence, status and implications by Brown, Antony G., Tooth, Stephen, Bullard, Joanna E., Thomas, David S. G., Chiverrell, Richard C., Plater, Andrew J., Murton, Julian, Thorndycraft, Varyl R., Tarolli, Paolo, Rose, James, Wainwright, John, Downs, Peter, Aalto, Rolf

“…The Anthropocene is proposed as a new interval of geological time in which human influence on Earth and its geological record dominates over natural processes…”
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Modulation of outer bank erosion by slump blocks: Disentangling the protective and destructive role of failed material on the three-dimensional flow structure by Hackney, Christopher, Best, Jim, Leyland, Julian, Darby, Stephen E., Parsons, Daniel, Aalto, Rolf, Nicholas, Andrew

“…The three‐dimensional flow field near the banks of alluvial channels is the primary factor controlling rates of bank erosion. Although submerged slump blocks…”
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Interaction between meander dynamics and floodplain heterogeneity in a large tropical sand-bed river: the Rio Beni, Bolivian Amazon by Schwendel, Arved C., Nicholas, Andrew P., Aalto, Rolf E., Sambrook Smith, Greg H., Buckley, Simon

“…The evolution of meandering river floodplains is predominantly controlled by the interplay between overbank sedimentation and channel migration. The resulting…”
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Enduring legacy of a toxic fan via episodic redistribution of California gold mining debris by Singer, Michael Bliss, Aalto, Rolf, James, L. Allan, Kilham, Nina E., Higson, John L., Ghoshal, Subhajit

“…The interrelationships between hydrologically driven evolution of legacy landscapes downstream of major mining districts and the contamination of lowland…”
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Ecosystem engineering by hummock‐building earthworms in seasonal wetlands of eastern South Africa: Insights into the mechanics of biomorphodynamic feedbacks in wetland ecosystems by Grenfell, Michael C., Aalto, Rolf, Grenfell, Suzanne E., Ellery, William N.

“…This paper resolves the origin of clay hummock micro‐topography in seasonal wetlands of the Drakensberg Foothills, providing a review and appraisal of…”
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Spatial and temporal dynamics of sediment accumulation and exchange along Strickland River floodplains (Papua New Guinea) over decadal-to-centennial timescales by Aalto, Rolf, Lauer, J. Wesley, Dietrich, William E.

“…We investigated the processes of sediment exchange between the Strickland River and its lowland floodplain, documenting (1) the rates, textures, and…”
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The influence of flow discharge variations on the morphodynamics of a diffluence–confluence unit on a large river by Hackney, Christopher R., Darby, Stephen E., Parsons, Daniel R., Leyland, Julian, Aalto, Rolf, Nicholas, Andrew P., Best, James L.

“…Bifurcations are key geomorphological nodes in anabranching and braided fluvial channels, controlling local bed morphology, the routing of sediment and water,…”
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Topographic variation in soil erosion and accumulation determined with meteoric 10Be by Marquard, Julia, Aalto, Rolf E., Barrows, Timothy T., Fisher, Beth A., Aufdenkampe, Anthony K., Stone, John O.

“…Understanding natural soil redistribution processes is essential for measuring the anthropogenic impact on landscapes. Although meteoric beryllium‐10 (10Be)…”
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Biogeochemical characterization of carbon sources in the Strickland and Fly rivers, Papua New Guinea by Alin, Simone R., Aalto, Rolf, Goni, Miguel A., Richey, Jeffrey E., Dietrich, William E.

“…The highstanding islands of Oceania are recognized as a source of significant particulate organic carbon delivered to nearshore marine environments. The…”
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Terrigenous organic matter in sediments from the Fly River delta-clinoform system (Papua New Guinea) by Goni, Miguel A., Monacci, Natalie, Gisewhite, Rachel, Crockett, John, Nittrouer, Charles, Ogston, Andrea, Alin, Simone R., Aalto, Rolf

“…Although an inordinate fraction of the global sediment flux to the ocean occurs in tropical mountainous river margins, little is known regarding the sources…”
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Channel and Floodplain Change Analysis over a 100-Year Period: Lower Yuba River, California by Ghoshal, Subhajit, James, L. Allan, Singer, Michael B., Aalto, Rolf

“…Hydraulic gold mining in the Sierra Nevada, California (1853–1884) displaced ~1.1 billion m3 of sediment from upland placer gravels that were deposited along…”
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Sediment load and floodplain deposition rates: Comparison of the Fly and Strickland rivers, Papua New Guinea by Swanson, Kathleen M., Watson, Elizabeth, Aalto, Rolf, Lauer, J. Wesley, Bera, Marie T., Marshall, Andrew, Taylor, Mark P., Apte, Simon C., Dietrich, William E.

“…Rates of aggradation and infilling of accommodation space along lowland channels in response to postglacial sea level rise should depend on sediment supply…”
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Sustainable rice cultivation in the deep flooded zones of the Vietnamese Mekong Delta by Chapman, Alexander, Darby, Stephen, Tompkins, Emma, Hackney, Christopher, Leyland, Julian, Tri Van, Pham Dang, Pham, Thanh Vu, Parsons, Daniel, Aalto, Rolf, Nicholas, Andrew

“…This paper explains how the management of the full-dyke system in the deep flooded zones of the Vietnamese Mekong Delta affects rice cultivation, and outlines…”
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Source-to-sink research: economy of the Earth's surface and its strata by Walsh, John P., Wiberg, Patricia L., Aalto, Rolf, Nittrouer, Charles A., Kuehl, Steve A.

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River bank instability from unsustainable sand mining in the lower Mekong River by Hackney, Christopher R., Darby, Stephen E., Parsons, Daniel R., Leyland, Julian, Best, James L., Aalto, Rolf, Nicholas, Andrew P., Houseago, Robert C.

“…Recent growth of the construction industry has fuelled the demand for sand, with considerable volumes being extracted from the world’s large rivers. Sediment…”
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Effects of gradient, distance, curvature and aspect on steep burned and unburned hillslope soil erosion and deposition by Perreault, Lauren M., Yager, Elowyn M., Aalto, Rolf

“…Wildfire denudes vegetation and impacts chemical and physical soil properties, which can alter hillslope erosion rates. Post‐wildfire erosion can also…”
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Soil carbon redistribution and organo-mineral associations after lateral soil movement and mixing in a first-order forest watershed by Fisher, Beth A., Aufdenkampe, Anthony K., Yoo, Kyungsoo, Aalto, Rolf E., Marquard, Julia

“…We test the hypothesis that erosion driven soil movement on hillslopes results in an increase in new organomineral associations and overall organic matter…”
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Chute channel dynamics in large, sand-bed meandering rivers by Grenfell, Michael, Aalto, Rolf, Nicholas, Andrew

“…ABSTRACT Meander bends of many large, sand‐bed meandering rivers are partitioned by chute channels that convey permanent flow, and co‐exist with the mainstem…”
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