Results 51 to 60 of about 1,457,519 (305)

An integrated model of soil-canopy spectral radiances, photosynthesis, fluorescence, temperature and energy balance [PDF]

, 2009
This paper presents the model SCOPE (Soil Canopy Observation, Photochemistry and Energy fluxes), which is a vertical (1-D) integrated radiative transfer and energy balance model. The model links visible to thermal infrared radiance spectra (0.4 to 50 μm)
Su, Z, van der Tol, C, C. van der Tol, Timmermans, J., Su, Zhongbo, Z. Su, Verhoef, A., Timmermans, J, W. Verhoef, Su, Z., J. Timmermans, Tol, C., van der, Verhoef, W., A. Verhoef, Verhoef, W, van der Tol, C., Verhoef, Anne, Su, Zhongbo; id_orcid   +17 more
core   +2 more sources

High‐elevation endemic plants predicted to lose habitat from changing climate in Washington State

American Journal of Botany, EarlyView.
Abstract Premise High‐elevation plants face unique challenges from potential climate change impacts that will likely require upslope migration into increasingly smaller suitable habitat. This situation is particularly acute for endemic species that by definition occupy small geographic ranges.
Nicholas L. Gjording, Erik W. Ertsgaard, David E. Giblin, Iris H. Dimpsey, Owen B. Bard   +4 more
wiley   +1 more source

Exposure to heat waves and drought improves subsequent leaf heat tolerance for five oak species in southern California

American Journal of Botany, EarlyView.
Abstract Premise Given the threats of climate change, we investigated the impact of high temperatures separately and in combination with reduced soil water on leaf heat tolerance for five oaks (Fagaceae) with overlapping ranges in southern California, USA: Quercus agrifolia and Q. chrysolepis (evergreen species), Q. douglasii and Q.
Casey D. Wisely, G. Olivia Plumb, Mira N. Ranganath, Emily Dolida, Ishan Ashford, Graham Luethe, Tim Thibault, Gretchen B. North   +7 more
wiley   +1 more source

Assessing the impact of canopy opening in regeneration status of tropical Terai forest of Nepal

Trees, Forests and People
Understanding how canopy structure influences regeneration is crucial for sustainable management of forests, particularly critical tropical forests. Although numerous studies have examined regeneration patterns, few have assessed how both seedling and ...
Abinash Devkota, Binod Karki, Lilu Kumari Magar, Prakash Lamichhane   +3 more
doaj   +1 more source

Estimates of Forest Canopy Height Using a Combination of ICESat-2/ATLAS Data and Stereo-Photogrammetry

Remote Sensing, 2020
Forest canopy height is an indispensable forest vertical structure parameter for understanding the carbon cycle and forest ecosystem services. A variety of studies based on spaceborne Lidar, such as ICESat, ICESat-2 and airborne Lidar, were conducted to ...
Xiaojuan Lin, Min Xu, Chunxiang Cao, Yongfeng Dang, Barjeece Bashir, Bo Xie, Zhibin Huang   +6 more
doaj   +1 more source

Turning a new leaf: PhenoVision provides leaf phenology data at the global scale

Applications in Plant Sciences, EarlyView.
Abstract Premise Plant phenology dictates many aspects of community function and ecosystem dynamics. Yet, global phenology data are still limited, especially in areas lacking monitoring programs. Here we present a new data resource, PhenoVision–Leaf, which extends a computer vision pipeline utilizing iNaturalist digital image vouchers to produce global‐
Erin L. Grady, Ellen G. Denny, Carrie E. Seltzer, John Deck, Daijiang Li, Russell Dinnage, Robert P. Guralnick   +6 more
wiley   +1 more source

Modeling 3D Canopy Structure and Transmitted PAR Using Terrestrial LiDAR

Canadian Journal of Remote Sensing, 2017
The heterogeneity and 3-dimensional (3D) organization of forest canopy elements is highly linked with the spatial variability of within and below canopy light. Using terrestrial LiDAR we studied the influence of several parameters in efficiently building
Renato Cifuentes, Dimitry Van der Zande, Christian Salas, Laurent Tits, Jamshid Farifteh, Pol Coppin   +5 more
doaj   +1 more source

Forest summer albedo is sensitive to species and thinning: how should we account for this in Earth system models? [PDF]

Biogeosciences, 2014
Although forest management is one of the instruments proposed to mitigate climate change, the relationship between forest management and canopy albedo has been ignored so far by climate models.
J. Otto, D. Berveiller, F.-M. Bréon, N. Delpierre, G. Geppert, A. Granier, W. Jans, A. Knohl, A. Kuusk, B. Longdoz, E. Moors, M. Mund, B. Pinty, M.-J. Schelhaas, S. Luyssaert   +14 more
doaj   +1 more source

Using Microwave Profile Radar to Estimate Forest Canopy Leaf Area Index: Linking 3D Radiative Transfer Model and Forest Gap Model

Remote Sensing, 2021
Profile radar allows direct characterization of the vertical forest structure. Short-wavelength, such as Ku or X band, microwave data provide opportunities to detect the foliage.
Kai Du, Huaguo Huang, Ziyi Feng, Teemu Hakala, Yuwei Chen, Juha Hyyppä   +5 more
doaj   +1 more source

On the occurrence of bryophytes and macrolichens in different lowland rain forest types at Mabura Hill, Guyana [PDF]

, 1990
A floristic and ecological study of bryophytes and macrolichens in different lowland rain forest types around Mabura Hill, Guyana, South America, yielded 170 species: 52 mosses, 82 liverworts and 36 macrolichens. Lejeuneaceae account for about 30% of the
Gradstein, Stephan Robbert, Cornelissen, J. Hans C.   +1 more
core