Výsledky vyhľadávania - "Rocha, Adrian V."

Cross-biome synthesis of source versus sink limits to tree growth Autor Cabon, Antoine, Kannenberg, Steven A, Arain, Altaf, Babst, Flurin, Baldocchi, Dennis, Belmecheri, Soumaya, Delpierre, Nicolas, Guerrieri, Rossella, Maxwell, Justin T, McKenzie, Shawn, Meinzer, Frederick C, Moore, David J P, Pappas, Christoforos, Rocha, Adrian V, Szejner, Paul, Ueyama, Masahito, Ulrich, Danielle, Vincke, Caroline, Voelker, Steven L, Wei, Jingshu, Woodruff, David, Anderegg, William R L

“…Uncertainties surrounding tree carbon allocation to growth are a major limitation to projections of forest carbon sequestration and response to climate change…”
Zistit podrobnosti o prístupe

Arctic tundra fires: natural variability and responses to climate change Autor Hu, Feng Sheng, Higuera, Philip E, Duffy, Paul, Chipman, Melissa L, Rocha, Adrian V, Young, Adam M, Kelly, Ryan, Dietze, Michael C

“…Anthropogenic climate change may result in novel disturbances to Arctic tundra ecosystems. Understanding the natural variability of tundra-fire regimes and…”
Získať plný text

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions Autor Loranty, Michael M., Abbott, Benjamin W., Blok, Daan, Douglas, Thomas A., Epstein, Howard E., Forbes, Bruce C., Jones, Benjamin M., Kholodov, Alexander L., Kropp, Heather, Malhotra, Avni, Mamet, Steven D., Myers-Smith, Isla H., Natali, Susan M., O'Donnell, Jonathan A., Phoenix, Gareth K., Rocha, Adrian V., Sonnentag, Oliver, Tape, Ken D., Walker, Donald A.

“…Soils in Arctic and boreal ecosystems store twice as much carbon as the atmosphere, a portion of which may be released as high-latitude soils warm. Some of the…”
Získať plný text

Postfire energy exchange in arctic tundra: the importance and climatic implications of burn severity Autor ROCHA, ADRIAN V., SHAVER, GAIUS R.

“…Fires produce land cover changes that have consequences for surface energy balance and temperature. Three eddy covariance towers were setup along a burn…”
Získať plný text

Active layer thickness as a function of soil water content Autor Clayton, Leah K, Schaefer, Kevin, Battaglia, Michael J, Bourgeau-Chavez, Laura, Chen, Jingyi, Chen, Richard H, Chen, Albert, Bakian-Dogaheh, Kazem, Grelik, Sarah, Jafarov, Elchin, Liu, Lin, Michaelides, Roger John, Moghaddam, Mahta, Parsekian, Andrew D, Rocha, Adrian V, Schaefer, Sean R, Sullivan, Taylor, Tabatabaeenejad, Alireza, Wang, Kang, Wilson, Cathy J, Zebker, Howard A, Zhang, Tingjun, Zhao, Yuhuan

“…Active layer thickness (ALT) is a critical metric for monitoring permafrost. How soil moisture influences ALT depends on two competing hypotheses: (a)…”
Získať plný text

Macrosystems ecology: understanding ecological patterns and processes at continental scales Autor Heffernan, James B, Soranno, Patricia A, Angilletta, Michael J, Buckley, Lauren B, Gruner, Daniel S, Keitt, Tim H, Kellner, James R, Kominoski, John S, Rocha, Adrian V, Xiao, Jingfeng, Harms, Tamara K, Goring, Simon J, Koenig, Lauren E, McDowell, William H, Powell, Heather, Richardson, Andrew D, Stow, Craig A, Vargas, Rodrigo, Weathers, Kathleen C

“…Macrosystems ecology is the study of diverse ecological phenomena at the scale of regions to continents and their interactions with phenomena at other scales…”
Získať plný text

Advantages of a two band EVI calculated from solar and photosynthetically active radiation fluxes Autor Rocha, Adrian V., Shaver, Gaius R.

“…A two band Enhanced Vegetation Index (EVI2) without the blue band reflectance has recently been developed as a proxy for the phenology, quantity, and activity…”
Získať plný text

Tracking carbon within the trees Autor Rocha, Adrian V.

Získať plný text

Evaluation of Moderate-resolution Imaging Spectroradiometer (MODIS) snow albedo product (MCD43A) over tundra Autor Wang, Zhuosen, Schaaf, Crystal B., Chopping, Mark J., Strahler, Alan H., Wang, Jindi, Román, Miguel O., Rocha, Adrian V., Woodcock, Curtis E., Shuai, Yanmin

“…This study assesses the MODIS standard Bidirectional Reflectance Distribution Function (BRDF)/Albedo product, and the daily Direct Broadcast BRDF/Albedo…”
Získať plný text

Disturbance legacies and climate jointly drive tree growth and mortality in an intensively studied boreal forest Autor Bond-Lamberty, Ben, Rocha, Adrian V., Calvin, Katherine, Holmes, Bruce, Wang, Chuankuan, Goulden, Michael L.

“…Most North American forests are at some stage of post‐disturbance regrowth, subject to a changing climate, and exhibit growth and mortality patterns that may…”
Získať plný text

An Open-Source, Durable, and Low-Cost Alternative to Commercially Available Soil Temperature Data Loggers Autor Curasi, Salvatore R., Klupar, Ian, Loranty, Michael M., Rocha, Adrian V.

“…Soil temperatures play an important role in determining the distribution and function of organisms. However, soil temperature is decoupled from air temperature…”
Získať plný text

Evaluating photosynthetic activity across Arctic-Boreal land cover types using solar-induced fluorescence Autor Cheng, Rui, Magney, Troy S, Orcutt, Erica L, Pierrat, Zoe, Köhler, Philipp, Bowling, David R, Bret-Harte, M Syndonia, Euskirchen, Eugénie S, Jung, Martin, Kobayashi, Hideki, Rocha, Adrian V, Sonnentag, Oliver, Stutz, Jochen, Walther, Sophia, Zona, Donatella, Frankenberg, Christian

“…Photosynthesis of terrestrial ecosystems in the Arctic-Boreal region is a critical part of the global carbon cycle. Solar-induced chlorophyll Fluorescence…”
Získať plný text

The footprint of Alaskan tundra fires during the past half-century: implications for surface properties and radiative forcing Autor Rocha, Adrian V, Loranty, Michael M, Higuera, Phil E, Mack, Michelle C, Hu, Feng Sheng, Jones, Benjamin M, Breen, Amy L, Rastetter, Edward B, Goetz, Scott J, Shaver, Gus R

“…Recent large and frequent fires above the Alaskan arctic circle have forced a reassessment of the ecological and climatological importance of fire in arctic…”
Získať plný text

Limited overall impacts of ectomycorrhizal inoculation on recruitment of boreal trees into Arctic tundra following wildfire belie species-specific responses Autor Hewitt, Rebecca E., Chapin, F. Stuart, Hollingsworth, Teresa N., Mack, Michelle C., Rocha, Adrian V., Taylor, D. Lee

“…We tested whether post-fire seedling establishment of common boreal tree and expanding shrub species at treeline and in Arctic tundra is facilitated by…”
Získať plný text

Reimagining Earth in the Earth System Autor Bonan, Gordon B., Lucier, Oliver, Coen, Deborah R., Foster, Adrianna C., Shuman, Jacquelyn K., Laguë, Marysa M., Swann, Abigail L. S., Lombardozzi, Danica L., Wieder, William R., Dahlin, Kyla M., Rocha, Adrian V., SanClements, Michael D.

“…Terrestrial, aquatic, and marine ecosystems regulate climate at local to global scales through exchanges of energy and matter with the atmosphere and assist…”
Získať plný text

Range shifts in a foundation sedge potentially induce large Arctic ecosystem carbon losses and gains Autor Curasi, Salvatore R, Fetcher, Ned, Hewitt, Rebecca E, Lafleur, Peter M, Loranty, Michael M, Mack, Michelle C, May, Jeremy L, Myers-Smith, Isla H, Natali, Susan M, Oberbauer, Steven F, Parker, Thomas C, Sonnentag, Oliver, Vargas Zesati, Sergio A, Wullschleger, Stan D, Rocha, Adrian V

“…Foundation species have disproportionately large impacts on ecosystem structure and function. As a result, future changes to their distribution may be…”
Získať plný text

An eddy covariance mesonet to measure the effect of forest age on land-atmosphere exchange Autor GOULDEN, MICHAEL L., WINSTON, GREGORY C., McMILLAN, ANDREW M. S., LITVAK, MARCY E., READ, EDWARD L., ROCHA, ADRIAN V., ROB ELLIOT, J.

“…We deployed a mesonet of year‐round eddy covariance towers in boreal forest stands that last burned in ∼1850, ∼1930, 1964, 1981, 1989, 1998, and 2003 to…”
Získať plný text

Plant Uptake Offsets Silica Release From a Large Arctic Tundra Wildfire Autor Carey, Joanna C., Abbott, Benjamin W., Rocha, Adrian V.

“…Rapid climate change at high latitudes is projected to increase wildfire extent in tundra ecosystems by up to fivefold by the end of the century. Tundra…”
Získať plný text

Alleviation of nutrient co‐limitation induces regime shifts in post‐fire community composition and productivity in Arctic tundra Autor Klupar, Ian, Rocha, Adrian V., Rastetter, Edward B.

“…Recent unprecedented fires in the Arctic during the past two decades have indicated a pressing need to understand the long‐term ecological impacts of fire in…”
Získať plný text

Solar‐induced chlorophyll fluorescence is strongly correlated with terrestrial photosynthesis for a wide variety of biomes: First global analysis based on OCO‐2 and flux tower observations Autor Li, Xing, Xiao, Jingfeng, He, Binbin, Altaf Arain, M., Beringer, Jason, Desai, Ankur R., Emmel, Carmen, Hollinger, David Y., Krasnova, Alisa, Mammarella, Ivan, Noe, Steffen M., Ortiz, Penélope Serrano, Rey‐Sanchez, A. Camilo, Rocha, Adrian V., Varlagin, Andrej

“…Solar‐induced chlorophyll fluorescence (SIF) has been increasingly used as a proxy for terrestrial gross primary productivity (GPP). Previous work mainly…”
Získať plný text