Review of ground and aerial methods for vegetation cover fraction (fCover) and related quantities estimation: definitions, advances, challenges, and future …

L Li, X Mu, H Jiang, F Chianucci, R Hu, W Song… - ISPRS Journal of …, 2023 - Elsevier
Vegetation cover fraction (fCover) and related quantities are basic yet critical vegetation
structure variables in various disciplines and applications. Ground-and aerial-based …

An overview of in situ digital canopy photography in forestry

F Chianucci - Canadian Journal of Forest Research, 2020 - cdnsciencepub.com
Since the 1960s, canopy photography has been widely used in forestry. Hemispherical
photography has been the most widely used technique, but a great drawback of this method …

[BOOK][B] Tree and forest measurement

PW West, PW West - 2009 - Springer
Traditionally, forest measurement textbooks have been concerned primarily with
determination of the amounts of the principal commercial product of forests, wood. This was …

Airborne discrete-return LIDAR data in the estimation of vertical canopy cover, angular canopy closure and leaf area index

L Korhonen, I Korpela, J Heiskanen… - Remote Sensing of …, 2011 - Elsevier
Remote sensing of forest canopy cover has been widely studied recently, but little attention
has been paid to the quality of field validation data. Ecological literature has two different …

[HTML][HTML] The fourth phase of the radiative transfer model intercomparison (RAMI) exercise: Actual canopy scenarios and conformity testing

JL Widlowski, C Mio, M Disney, J Adams… - Remote Sensing of …, 2015 - Elsevier
Abstract The RAdiative transfer Model Intercomparison (RAMI) activity focuses on the
benchmarking of canopy radiative transfer (RT) models. For the current fourth phase of …

Estimation of leaf area and clum** indexes of crops with hemispherical photographs

V Demarez, S Duthoit, F Baret, M Weiss… - Agricultural and Forest …, 2008 - Elsevier
Among many indirect approaches to retrieve effective leaf area index (LAI), hemispherical
photography is now widely used by the scientific community in forestry applications. A recent …

Third Radiation Transfer Model Intercomparison (RAMI) exercise: Documenting progress in canopy reflectance models

JL Widlowski, M Taberner, B Pinty… - Journal of …, 2007 - Wiley Online Library
The Radiation Transfer Model Intercomparison (RAMI) initiative benchmarks canopy
reflectance models under well‐controlled experimental conditions. Launched for the first …

Map** urban forest leaf area index with airborne lidar using penetration metrics and allometry

M Alonzo, B Bookhagen, JP McFadden, A Sun… - Remote Sensing of …, 2015 - Elsevier
In urban areas, leaf area index (LAI) is a key ecosystem structural attribute with implications
for energy and water balance, gas exchange, and anthropogenic energy use. In this study …

Abiotic and biotic drivers of seedling survival in a hurricane‐impacted tropical forest

LS Comita, M Uriarte, J Thompson… - Journal of …, 2009 - Wiley Online Library
Many forests experience periodic, large‐scale disturbances, such as hurricanes and
cyclones, which open the forest canopy, causing dramatic changes in understorey light …

Measuring effective leaf area index, foliage profile, and stand height in New England forest stands using a full-waveform ground-based lidar

F Zhao, X Yang, MA Schull, MO Román-Colón… - Remote Sensing of …, 2011 - Elsevier
Effective leaf area index (LAI) retrievals from a scanning, ground-based, near-infrared
(1064nm) lidar that digitizes the full return waveform, the Echidna Validation Instrument …