Academic literature on the topic 'Geomorphic heterogeneity'

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Journal articles on the topic "Geomorphic heterogeneity"

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Antonio, Anderson Igomar, Junior Admir Cesar de Oliveira, Fabricio Villalobos, and Santiago José Elías Velazco. "Environmental heterogeneity as a determinant of bee diversity patterns in the Atlantic Forest." Frontiers of Biogeography 18 (May 22, 2025): e142410. https://doi.org/10.21425/fob.18.142410.

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The Atlantic Forest encompasses a wide range of environmental and geographical gradients with high endemism and species diversity among several taxonomic groups, including bees. Environmental heterogeneity is a determining factor for species diversity, as environments with greater heterogeneity tend to offer a greater variety of conditions, thus supporting higher species richness. However, bee richness patterns and their relationship with environmental heterogeneity in the Atlantic Forest remain underexplored. In this study, we aimed to describe the bee diversity patterns and investigate how d
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Wohl, Ellen. "Spatial heterogeneity as a component of river geomorphic complexity." Progress in Physical Geography: Earth and Environment 40, no. 4 (2016): 598–615. http://dx.doi.org/10.1177/0309133316658615.

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One component of geomorphic complexity results from spatial heterogeneity in river corridors. The characteristics of this form of complexity have important implications for habitat and biodiversity, attenuation of downstream fluxes, resistance and resilience of river ecosystems, river processes, ability to characterize patterns and changes through time, and river management and restoration. Numerous measures of complexity have been applied to heterogeneity from spatial scales of bed grain size distribution to entire river networks. Studies explicitly incorporating geomorphic complexity have in
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Hasselquist, Eliza, Lina Polvi, Maria Kahlert, Christer Nilsson, Lisa Sandberg, and Brendan McKie. "Contrasting Responses among Aquatic Organism Groups to Changes in Geomorphic Complexity Along a Gradient of Stream Habitat Restoration: Implications for Restoration Planning and Assessment." Water 10, no. 10 (2018): 1465. http://dx.doi.org/10.3390/w10101465.

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Many stream restoration projects aim to increase geomorphic complexity, assuming that this increases habitat heterogeneity and, thus, biodiversity. However, empirical data supporting these linkages remain scant. Previous assessments of stream restoration suffer from incomplete quantification of habitat complexity, or a narrow focus on only one organism group and/or one restoration measure, limiting learning. Based on a comprehensive quantification of geomorphic complexity in 20 stream reaches in northern Sweden, ranging from streams channelized for timber floating to restored and reference rea
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Wohl, Ellen. "Geomorphic context in rivers." Progress in Physical Geography: Earth and Environment 42, no. 6 (2018): 841–57. http://dx.doi.org/10.1177/0309133318776488.

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Geomorphic context refers to the geomorphic setting of a river reach, which is defined as a length of river with consistent valley and channel geometry. Context includes spatial dimensions of geometry, location within a drainage basin, and location within a global context. Context also includes temporal dimensions of the frequency and duration of specific processes influencing the river reach and the historical sequence of natural and human-induced processes that continue to influence process and form in the river reach. These spatial and temporal characteristics interact to create a geomorphi
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MacKellar, Mellissa C., Hamish A. McGowan, and Stuart R. Phinn. "Spatial Heterogeneity of Air–Sea Energy Fluxes over a Coral Reef—Heron Reef, Australia." Journal of Applied Meteorology and Climatology 51, no. 7 (2012): 1353–70. http://dx.doi.org/10.1175/jamc-d-11-0120.1.

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AbstractThe thermal environment of a coral reef is moderated by complex interactions of air–sea heat and moisture fluxes, local to synoptic-scale weather and reef hydrodynamics. Measurements of air–sea energy fluxes over coral reefs are essential to understanding the reef–atmosphere processes that underpin coral reef environmental conditions such as water temperature, cloud, precipitation, and local winds (such as during coral bleaching events). Such measurements over coral reefs have been rare, however, and the spatial heterogeneity of surface–atmosphere energy exchanges due to the different
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Rankey, E. C., S. A. Guidry, S. L. Reeder, and H. Guarin. "Geomorphic and Sedimentologic Heterogeneity Along a Holocene Shelf Margin: Caicos Platform." Journal of Sedimentary Research 79, no. 6 (2009): 440–56. http://dx.doi.org/10.2110/jsr.2009.042.

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Bestelmeyer, Brandon T., Judy P. Ward, and Kris M. Havstad. "SOIL-GEOMORPHIC HETEROGENEITY GOVERNS PATCHY VEGETATION DYNAMICS AT AN ARID ECOTONE." Ecology 87, no. 4 (2006): 963–73. http://dx.doi.org/10.1890/0012-9658(2006)87[963:shgpvd]2.0.co;2.

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Zheng, Kaihao, Peirong Lin, and Ziyun Yin. "SHIFT: a spatial-heterogeneity improvement in DEM-based mapping of global geomorphic floodplains." Earth System Science Data 16, no. 8 (2024): 3873–91. http://dx.doi.org/10.5194/essd-16-3873-2024.

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Abstract. Floodplains are a vital part of the global riverine system. Among all the global floodplain delineation strategies empowered by remote sensing, digital elevation model (DEM)-based delineation is considered to be computationally efficient with relatively low uncertainties, but the parsimonious model struggles with incorporating the basin-level spatial heterogeneity of the hydrological and geomorphic influences into the map. In this study, we propose a globally applicable thresholding scheme for DEM-based floodplain delineation to improve the representation of spatial heterogeneity. Sp
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Negi, Raghuveer, Sarswati Prakash Sati, Ashish Rawat, et al. "Assessment of soil erosion using WSA and SPR techniques for Giri watershed, Himachal Pradesh, NW Himalaya, India." Disaster Advances 16, no. 6 (2023): 18–44. http://dx.doi.org/10.25303/1606da18044.

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A watershed is the result of several geomorphic processes such as weathering, erosion, degradation and aggradation which are influenced by several factors viz. tectonics, lithology, climate, landslides and mass wasting processes etc. In a tropical climate, watersheds contribute a significant amount of eroded material which is reflecting the impact of lithology, precipitation, tectonics, relief and anthropogenic activities. In the Himalayan region besides significant heterogeneity in lithology, stratigraphy, structure and tectonics, it is observed that variability is exhibited in climatic condi
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KHOMO, LESEGO, and KEVIN H. ROGERS. "Stream order controls geomorphic heterogeneity and plant distribution in a savanna landscape." Austral Ecology 34, no. 2 (2009): 170–78. http://dx.doi.org/10.1111/j.1442-9993.2008.01918.x.

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Book chapters on the topic "Geomorphic heterogeneity"

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Florsheim, Joan L., Alison P. O’Dowd, and Anne Chin. "Introduction to biogeomorphic responses to wildfire in fluvial ecosystems." In Biogeomorphic Responses to Wildfire in Fluvial Ecosystems. Geological Society of America, 2024. http://dx.doi.org/10.1130/2024.2562(001).

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ABSTRACT Developing wildfire biogeomorphology as an integrative science is fundamental toward understanding the dynamic processes of adjustment that must occur after wildfires to support heterogeneity, biodiversity, and resilience in fluvial ecosystems. This GSA Special Paper introduces and synthesizes several key points derived from interdisciplinary studies. First, post-wildfire sediment pulses that change the physical elements of fluvial habitat may be transitory or long-lasting, depending on variations in post-wildfire climate conditions. Second, biological processes and feedback may alter
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Gawthorpe, Rob, Ayodeji Oluboyo, and Frode Hadler-Jacobsen. "Salt Tectonic Controls on the Location, Geometry and Heterogeneity of Slope Channel Complexes." In Seismic Imaging of Depositional and Geomorphic Systems: 30th Annual. SOCIETY OF ECONOMIC PALEONTOLOGISTS AND MINERALOGISTS, 2010. http://dx.doi.org/10.5724/gcs.10.30.0472.

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Chalabi, Aicha, Grisel Jimenez Soto, and Bernard J. Pierson. "Spatial Distribution of Sedimentary Facies on Modern Carbonate Platforms Interpreted via Remote Sensing, Northwest Celebes Sea, Malaysia." In Cenozoic Isolated Carbonate Platforms—Focus Southeast Asia. SEPM (Society for Sedimentary Geology), 2023. http://dx.doi.org/10.2110/sepmsp.114.15.

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Remote-sensing analysis of high-resolution satellite imagery of modern carbonate platforms in the Celebes Sea, east of Sabah, Borneo, Malaysia, was used to map geomorphology and sediment. Unsupervised classification of satellite images was interpreted in the context of environmental facies of seven isolated carbonate platforms and calibrated using analyses of surface sediments. In total, 140 sediment samples were collected and analyzed for grain-size and sorting. The grain-size analysis showed that sediment varied among the geomorphic elements, which included island, island/volcano, reef compl
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Conference papers on the topic "Geomorphic heterogeneity"

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Laurel, DeAnna J., and Ellen Wohl. "THE PERSISTENCE OF BEAVER-INDUCED GEOMORPHIC HETEROGENEITY AND ORGANIC CARBON STOCK IN MOUNTAIN RIVER CORRIDORS." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-321157.

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Abdullatif, Osman, Mutasim Osman, Mazin Bashri, Ammar Abdlmutalib, and Mohamed Yassin. "Sedimentology and Evolution of the Fluvial-Deltaic System: A Modern Depositional Model Analog from the Red Sea Coastal Region, Saudi Arabia." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204558-ms.

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Abstract Siliciclastic sediments represent important lithological unit of the Red Sea coastal plain. Their subsurface equivalents are important targets of groundwater aquifer and hydrocarbon reservoirs in the region. The lithofacies of the modern fluvial deltaic system has several distinct geomorphic units and sub-environments such as alluvial, fluvial, delta plain, aeolian, intertidal, coastal sabkha and eustuarine sediments. This study intends to characterize the lithofacies and the depositional environments and to produce an integrated facies model for this modern fluvial-deltaic system. Th
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Reports on the topic "Geomorphic heterogeneity"

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Harris, Aubrey, and Darixa Hernandez-Abrams. Monitoring geomorphology to inform ecological outcomes downstream of reservoirs affected by sediment release. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48470.

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Increasingly, reservoir managers are seeking techniques that improve sediment management while considering long-term sedimentation and reduced operational flexibility. These techniques, often termed sustainable sediment management, involve passing sediment through reservoirs and into downstream rivers. Conceptually, restoring sediment continuity can benefit ecosystem function by increasing floodplain connectivity, contributing to the heterogeneity of channel geomorphology, and supporting the continuity of nutrient cycling. However, when a change is made to operations, geomorphic changes may ne
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Cooper, Christopher, Jacob McDonald, and Eric Starkey. Wadeable stream habitat monitoring at Congaree National Park: 2018 baseline report. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2286621.

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The Southeast Coast Network (SECN) Wadeable Stream Habitat Monitoring Protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream monitoring is currently implemented at the five SECN inland parks with wadeable streams. These parks include Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams
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