Land Change Science Program

Publications

Listed here are the most recent publications, reports and articles by the Land Change Science program.

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Filter Total Items: 431
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Year Published: 2018

International Society for Aeolian Research Distinguished Career Award, 2018 Joseph M. Prospero, Dr. Professor Emeritus, University of Miami

It is a pleasure and an honor to present Dr. Joseph M. Prospero of the University of Miami with the International Society for Aeolian Research(ISAR) Distinguished Career Award for 2018. Joe was born at home in Pottstown, Pennsylvania, one of three sons of Italian immigrant parents. He got interested in science, and particularly chemistry, not only...

Muhs, Daniel R.

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Year Published: 2018

Linking transit times to catchment sensitivity to atmospheric deposition of acidity and nitrogen in mountains of the western United States

Transit times are hypothesized to influence catchment sensitivity to atmospheric deposition of acidity and nitrogen (N) because they help determine the amount of time available for infiltrating precipitation to interact with catchment soil and biota. Transit time metrics, including fraction of young water (Fyw) and mean transit time (MTT), were...

Clow, David W.; Mast, M. Alisa; Sickman, James O.
Clow, D.W., Mast, M.A., and Sickman, J.O., 2018, Linking transit times to catchment sensitivity to atmospheric deposition of acidity and nitrogen in mountains of the western United States: Hydrological Processes, v.32, no. 16, p.2456–2470. https://doi.org/10.1002/hyp.13183

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Year Published: 2018

Stratifying ocean sampling globally and with depth to account for environmental variability

With increasing depth, the ocean is less sampled for physical, chemical and biological variables. Using the Global Marine Environmental Datasets (GMED) and Ecological Marine Units (EMUs), we show that spatial variation in environmental variables decreases with depth. This is also the case over temporal scales because seasonal change...

Costello, Mark John; Basher, Zeenatul; Sayre, Roger; Breyer, Sean P.; Wright, Dawn J.

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Year Published: 2018

Icebergs in the Nordic Seas throughout the Late Pliocene

The Arctic cryosphere is changing and making a significant contribution to sea level rise. The Late Pliocene had similar CO2 levels to the present and a warming comparable to model predictions for the end of this century. However, the state of the Arctic cryosphere during the Pliocene remains poorly constrained. For the first time we combine...

Smith, Yvonne M.; Hill, Daniel; Dolan, Aisling M; Haywood, Alan M; Dowsett, Harry J.; Risebrobakken, Bjorg
Smith, Y. M., Hill, D. J., Dolan, A. M., Haywood, A. M., Dowsett, H. J. and Risebrobakken, B. (2018), Icebergs in the Nordic Seas Throughout the Late Pliocene. Paleoceanography and Paleoclimatology, 33: 318-335. doi:10.1002/2017PA003240

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Year Published: 2018

High latitude Southern Hemisphere fire history during the mid-late Holocene (750- 6000 yr BP)

We determined the specific biomass burning biomarker levoglucosan in an ice core from the TALos Dome Ice CorE drilling project (TALDICE) during the mid- to late Holocene (6000–750 BP). The levoglucosan record is characterized by a long-term increase with higher rates starting at  ∼  4000 BP and peaks between 2500 and 1500 BP. The anomalous...

Battistel, Dario; Kehrwald, Natalie M.; Zennaro, Piero; Pellegrino, Giuseppe; Barbaro, Elena; Zangrando, Roberta; Pedeli, Xanthi X.; Varin, Cristiano; Spolaor, Andrea; Vallelonga, Paul T.; Gambaro, Andrea; Barbante, Carlo
Battistel, D., Kehrwald, N. M., Zennaro, P., Pellegrino, G., Barbaro, E., Zangrando, R., Pedeli, X. X., Varin, C., Spolaor, A., Vallelonga, P. T., Gambaro, A., and Barbante, C.: High-latitude Southern Hemisphere fire history during the mid- to late Holocene (6000–750 BP), Clim. Past, 14, 871-886, https://doi.org/10.5194/cp-14-871-2018, 2018.

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Year Published: 2018

Adaptation with climate uncertainty: An examination of agricultural land use in the United States

This paper examines adaptation responses to climate change through adjustment of agricultural land use. The climate drivers we examine are changes in long-term climate normals (e.g., 10-year moving averages) and changes in inter-annual climate variability. Using US county level data over 1982 to 2012 from Census of Agriculture, we find that...

Mu, Jianhong E.; McCarl, Bruce A.; Sleeter, Benjamin M.; Abatzoglou, John T.; Zhang, Hongliang
Mu, J. E.; B.A. McCarl; B.M. Sleeter; J.T. Abatzoglou and H. Zhang. 2018. Adaptation with Climate Uncertainty: An Examination of Agricultural Land Use in the United States. Land Use Policy.

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Year Published: 2018

Diurnal patterns of methane flux from a seasonal wetland: mechanisms and methodology

Methane emissions from wetlands are temporally dynamic. Few chamber-based studies have explored diurnal variation in methane flux with high temporal replication. Using an automated sampling system, we measured methane flux every 2.5 to 4 h for 205 diel cycles during three growing seasons (2013–2015) from a seasonal wetland in the Prairie...

Bansal, Sheel; Tangen, Brian; Finocchiaro, Raymond
Bansal, S., Tangen, B. Finocciaro, R. Diurnal patterns of methane flux from a seasonal wetland: mechanisms and methodology. Wetlands

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Year Published: 2018

Dryland photoautotrophic soil surface communities endangered by global change

Photoautotrophic surface communities forming biological soil crusts (biocrusts) are crucial for soil stability as well as water, nutrient and trace gas cycling at regional and global scales. Quantitative information on their global coverage and the environmental factors driving their distribution patterns, however, are not readily available. We...

Rodriguez-Caballero, Emilio; Belnap, Jayne; Büdel, Burkhard; Crutzen, Paul J.; Andreae, Meinrat O.; Pöschl, Ulrich; Weber, Bettina
Rodriguez-Caballero, E., Belnap, J., Büdel, B., Crutzen, P.J., Andreae, M.O., Pöschl, U., and Weber, B., 2018. Dryland photoautotrophic soil surface communities endangered by global change: Nature Geoscience, v. 11, p.185–189, http://dx.doi.org/10.1038/s41561-018-0072-1. doi:10.1038/s41561-018-0072-1

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Year Published: 2018

Quantifying relative importance: Computing standardized effects in models with binary outcomes

Scientists commonly ask questions about the relative importances of processes, and then turn to statistical models for answers. Standardized coefficients are typically used in such situations, with the goal being to compare effects on a common scale. Traditional approaches to obtaining standardized coefficients were developed with idealized...

Grace, James B.; Johnson, Darren; Lefcheck, Jonathan S.; Byrnes, Jarrett E.K.
Grace, J.B., Johnson, D.J., Lefcheck, J.S., and Byrnes, J.E.K., 2018, Quantifying relative importance: computing standardized effects in models with binary outcomes: Ecosphere, v. 9, no. 6, art. e02283, http://dx.doi.org/10.1002/ecs2.2283.

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Year Published: 2018

Dissolved organic carbon and nitrogen release from boreal Holocene permafrost and seasonally frozen soils of Alaska

Permafrost (perennially frozen) soils store vast amounts of organic carbon (C) and nitrogen (N) that are vulnerable to mobilization as dissolved organic carbon (DOC) and dissolved organic and inorganic nitrogen (DON, DIN) upon thaw. Such releases will affect the biogeochemistry of permafrost regions, yet little is known about the chemical...

Wickland, Kimberly P.; Waldrop, Mark P.; Aiken, George R.; Koch, Joshua C.; Jorgenson, M. Torre; Striegl, Robert G.
Wickland, K.P., Waldrop, M.P., Aiken, G.R., Koch, J.C., Jorgenson, M.T., Striegl, R.G., 2018, Dissolved organic carbon and nitrogen release from boreal Holocene permafrost and seasonally frozen soils of Alaska, Environ. Res. Lett. 13 065011

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Year Published: 2018

burnr: Fire history analysis and graphics in R

We developed a new software package, burnr, for fire history analysis and plotting in the Rstatistical programming environment. It was developed for tree-ring fire-scar analysis, but is broadly applicable to other event analyses (e.g., avalanches, frost rings, or culturally modified trees). Our new package can read,...

Malevich, Steven B.; Guiterman, Christopher H.; Margolis, Ellis
S.B. Malevich.S.B., C.H. Guiterman, and E.Q. Margolis. 2018. burnr: Fire history analysis and graphics in R. Dendrochronologia 49:9-15.

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Year Published: 2018

Environmental controls on the geochemistry of Globorotalia truncatulinoides in the Gulf of Mexico: Implications for paleoceanographic reconstructions

Modern observations of planktic foraminifera from sediment trap studies help to constrain the regional ecology of paleoceanographically valuable species. Results from a weekly-resolved sediment trap time series (2008–2014) in the northern Gulf of Mexico demonstrate that 92% of Globorotalia truncatulinoides ...

Reynolds, Caitlin E.; Richey, Julie N.; Fehrenbacher, Jennifer S.; Rosenheim, Brad E.; Spero, Howard J.
Reynolds, C.E., Richey, J.N., Fehrenbacher, J.S., Rosenheim, B.E., and Spero, H.J., 2018, Environmental controls on the geochemistry of Globorotalia truncatulinoides in the Gulf of Mexico: Implications for paleoceanographic reconstructions, Marine Micropaleontology, v.142, pp. 92-104, ISSN 0377-8398, https://doi.org/10.1016/j.marmicro.2018.05.006.