Data synergy between leaf area index and clumping index Earth Observation products using photon recollision probability theory [PDF]
Remote Sensing of Environment, 2018 Abstract Clumping index (CI) is a measure of foliage aggregation relative to a random distribution of leaves in space. The CI can help with estimating fractions of sunlit and shaded leaves for a given leaf area index (LAI) value. Both the CI and LAI can be obtained from global Earth Observation data from sensors such as the Moderate Resolution ...
Jan Pisek +14 more
openaire +4 more sources
Impacts of clumping effect on canopy reflectance using 3D radiative transfer modeling
Frontiers in Forests and Global Change, 2023 The product of leaf area index (LAI) and clumping index (CI) quantifies the effective leaf abundance and distribution across the landscape, and therefore, governs the radiation absorption, evapotranspiration, and carbon assimilation processes in the ...
Qiaoli Wu +5 more
doaj +1 more source
How to form planetesimals from mm-sized chondrules and chondrule aggregates
, 2015 The size distribution of asteroids and Kuiper belt objects in the solar system is difficult to reconcile with a bottom-up formation scenario due to the observed scarcity of objects smaller than $\sim$100 km in size.
Carrera, Daniel +2 more
core +1 more source
Cross-correlation between the soft X-ray background and SZ Sky [PDF]
, 2003 While both X-ray emission and Sunyaev-Zel'dovich (SZ) temperature fluctuations are generated by the warm-hot gas in dark matter halos, the two observables have different dependence on the underlying physical properties, including the gas distribution.
A. Cooray +42 more
core +3 more sources
Remote Sensing, 2019 The fire-tolerant eucalypt forests of south eastern Australia are assumed to fully recover from even the most intense fires; however, surprisingly, very few studies have quantitatively assessed that recovery.
Yogendra K. Karna +3 more
doaj +1 more source
Distribution pattern of declined Brant`s oak (Quercus brantii Lindl.) trees in forests of Tol-e Ghah, Yasuj [PDF]
تحقیقات جنگل و صنوبر ایران, 2016 A forest stand of 25 ha in Tol-e Gah region nearby Yasuj (Kohgiluyeh and Boyer Ahmad province) was selected to assess the spatial distribution pattern of its dead trees of Brant`s oak (Quercus brantii Lindl).
Ehsan Taghvayipour +2 more
doaj +1 more source
Clumping factors of HII, HeII and HeIII
, 2014 Estimating the intergalactic medium ionization level of a region needs proper treatment of the reionization process for a large representative volume of the universe.
Ciardi, Benedetta +2 more
core +1 more source
Fractal index captures the role of vegetation clumping in locust swarming [PDF]
Functional Ecology, 2003 Summary This paper evaluates box‐counting dimension as a quantitative clumping index for discontinuous plant cover, and applies it to studies of both small‐ and large‐scale ecological processes in desert locust (Schistocerca gregaria) swarming. The quadrat under study is tiled with squares of increasing size, and the relationship between the number of
openaire +1 more source
The Neon Abundance of Galactic Wolf-Rayet Stars
, 2004 The fast, dense winds which characterize Wolf-Rayet (WR) stars obscure their underlying cores, and complicate the verification of evolving core and nucleosynthesis models.
Aitken D. K. +23 more
core +1 more source
A Generalized Porosity Formalism For Isotropic And Anisotropic Effective Opacity And Its Effects On X-Ray Line Attenuation In Clumped O Star Winds [PDF]
, 2011 We present a generalized formalism for treating the porosity-associated reduction in continuum opacity that occurs when individual clumps in a stochastic medium become optically thick.
Cohen, David H. +4 more
core +4 more sources