Laser vision : lidar as a transformative tool to advance critical zone science Harpold, A. A. Marshall, J. A. Lyon, S. W. Barnhart, T. B. Fisher, B. A. Donovan, M. Brubaker, K. M. Crosby, C. J. Glenn, N. F. Glennie, C. L. Kirchner, P. B. Lam, N. Mankoff, Kenneth D. McCreight, J. L. Molotch, N. P. Musselman, K. N. Pelletier, J. Russo, T. Sangireddy, H. Sjooberg, Y. Swetnam, T. West, N. 2015-07-31T18:01:00Z 2015-07-31T18:01:00Z 2015-06-22
dc.description © The Author(s), 2015. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Hydrology and Earth System Sciences 19 (2015): 2881-2897, doi:10.5194/hess-19-2881-2015. en_US
dc.description.abstract Observation and quantification of the Earth's surface is undergoing a revolutionary change due to the increased spatial resolution and extent afforded by light detection and ranging (lidar) technology. As a consequence, lidar-derived information has led to fundamental discoveries within the individual disciplines of geomorphology, hydrology, and ecology. These disciplines form the cornerstones of critical zone (CZ) science, where researchers study how interactions among the geosphere, hydrosphere, and biosphere shape and maintain the "zone of life", which extends from the top of unweathered bedrock to the top of the vegetation canopy. Fundamental to CZ science is the development of transdisciplinary theories and tools that transcend disciplines and inform other's work, capture new levels of complexity, and create new intellectual outcomes and spaces. Researchers are just beginning to use lidar data sets to answer synergistic, transdisciplinary questions in CZ science, such as how CZ processes co-evolve over long timescales and interact over shorter timescales to create thresholds, shifts in states and fluxes of water, energy, and carbon. The objective of this review is to elucidate the transformative potential of lidar for CZ science to simultaneously allow for quantification of topographic, vegetative, and hydrological processes. A review of 147 peer-reviewed lidar studies highlights a lack of lidar applications for CZ studies as 38 % of the studies were focused in geomorphology, 18 % in hydrology, 32 % in ecology, and the remaining 12 % had an interdisciplinary focus. A handful of exemplar transdisciplinary studies demonstrate lidar data sets that are well-integrated with other observations can lead to fundamental advances in CZ science, such as identification of feedbacks between hydrological and ecological processes over hillslope scales and the synergistic co-evolution of landscape-scale CZ structure due to interactions amongst carbon, energy, and water cycles. We propose that using lidar to its full potential will require numerous advances, including new and more powerful open-source processing tools, exploiting new lidar acquisition technologies, and improved integration with physically based models and complementary in situ and remote-sensing observations. We provide a 5-year vision that advocates for the expanded use of lidar data sets and highlights subsequent potential to advance the state of CZ science. en_US
dc.description.sponsorship The workshop forming the impetus for this paper was funded by the National Science Foundation (EAR 1406031). Additional funding for the workshop and planning was provided to S. W. Lyon by the Swedish Foundation for International Cooperation in Research and Higher Education (STINT grant no. 2013-5261). A. A. Harpold was supported by an NSF fellowship (EAR 1144894). en_US
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dc.identifier.citation Hydrology and Earth System Sciences 19 (2015): 2881-2897 en_US
dc.identifier.doi 10.5194/hess-19-2881-2015
dc.language.iso en en_US
dc.publisher Copernicus Publications on behalf of the European Geosciences Union en_US
dc.rights Attribution 3.0 Unported *
dc.title Laser vision : lidar as a transformative tool to advance critical zone science en_US
dc.type Article en_US
dspace.entity.type Publication
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