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Forest canopy cover and canopy closure: comparison of assessment techniques
European Journal of Forest Research, 2009The article, in relation to the importance of canopy cover as stand density and biodiversity indicator, describes the main related field measurement techniques. In particular the authors emphasize the distinction between canopy cover and canopy closure when forest cover is usually measured through the current techniques.
Alessandro Paletto
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A relascope for measuring canopy cover
Canadian Journal of Forest Research, 2008Angle count or relascope sampling has traditionally been used in forestry to estimate stand basal area. In this paper, we present an extension to the basal area relascope, the crown relascope, which differs from the normal relascope in that the relascope’s slot is very high and wide.
Pauline Stenberg +2 more
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EFFECT OF CANOPY COVER ON THE VOLUME OF RAIN THROUGHFALL
Proceedings of the Water Environment Federation, 2004Stormwater runoff has become increasingly difficult for municipalities to manage as areas experience development. This increase in residential and commercial development has led to a substantial reduction in the natural canopy cover, and post-development plantings have not begun to replace the loss. This study was carried out to establish the extent to
Jeff Cochran +2 more
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An increase in canopy cover leads to masting in Quercus ilex
Trees, 2010Masting is the intermittent and synchronous production of large crops, but its relation to tree growth remains elusive despite the ecological relevance of mast seeding. The production of huge fruit crops has been linked to the accumulation and consumption of resources as nutrients and carbohydrates, but no conclusive assessment has supported this ...
Camarero, J. Julio +4 more
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Modeling Percent Tree Canopy Cover
Photogrammetric Engineering & Remote Sensing, 2012Tree canopy cover is a fundamental component of the landscape, and the amount of cover influences fire behavior, air pollution mitigation, and carbon storage. As such, efforts to empirically model percent tree canopy cover across the United States are a critical area of research.
John W. Coulston +5 more
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Correlates of Urban Forest Canopy Cover
Public Works Management & Policy, 2003Scientists and managers often use urban forest canopy cover as an indicator of forest health. Furthermore, canopy cover is often the measure communities use to set tree planting goals. Little is known, however, about factors that contribute to variation in canopy cover. We describe canopy cover in 60 urban areas in Central Indiana.
Nikolas C. Heynen, Greg Lindsey
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Automated Analysis of in Situ Canopy Images for the Estimation of Forest Canopy Cover
Forest Science, 2009Abstract Forest canopy cover is a commonly used ecological indicator variable, but its reliable estimation in the field with, e.g., the line intersect sampling method is laborious. One alternative for obtaining this information quickly is to sample a larger area of canopy from each prespecified location within a sample plot by using ...
Korhonen, Lauri, Heikkinen, Jaakko
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The Computation of the Effective Temperature of the Land Surface Covered with Canopy
Applied Mechanics and Materials, 2012—Surface soil moisture is an important parameter in describing the water and energy exchanges at the land surface/atmosphere interface. Passive microwave remote sensors have great potential for monitoring surface soil moisture over land surface. The objective of this study is going to establish a model for estimating the effective temperature of land ...
null Hongzhang Ma, null Sumei Liu
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NATURAL CONVECTION HEAT TRANSFER IN COVERED PLANT CANOPIES
Acta Horticulturae, 1975Abstract A facility has been designed and constructed to carry out the study of free convection from leaves in a covered plant canopy. The system considered is one with long parallel rows of canopies with finite widths, heights and spacings between them.
M Iqbal, J.A Stoffers
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Forest canopy cover analysis using UAS lidar
2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017Laser pulses of LiDAR are able to penetrate forest canopy and characterize the vertical structure distribution. Forest canopy cover (CC) can be estimated from normalized point cloud (NPC) and canopy height model (CHM). Unmanned aerial system (UAS) LiDAR usually transmits laser pulses with wider scan angles, which would decrease the probability of ...
Qingwang Liu +4 more
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