Results 91 to 100 of about 15,050 (225)

Estimating Spatiotemporally Continuous GEDI Aboveground Biomass Density During 2015–2020 From Multisource Data Using Machine Learning and Deep Learning

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Accurate estimation of forest aboveground biomass density (AGBD) is essential for quantifying terrestrial carbon exchange. NASA's global ecosystem dynamics investigation (GEDI) LiDAR mission has ushered in a new era of high-quality AGBD estimation
Xia Wang   +3 more
doaj   +1 more source

Remembering the Falklands War: subjectivity and identification [PDF]

open access: yes, 2016
This paper explores the ways in which remembering is enacted, performed and contested with media and how this becomes intrinsically linked to issues of power, agency and identity.
Maltby, Sarah
core  

Accuracy assessment of LAI, PAI and FCOVER from Sentinel-2 and GEDI for monitoring forests and their disturbance in Central Germany

open access: yesEuropean Journal of Remote Sensing
Forest monitoring benefits from biophysical parameters such as Leaf Area Index (LAI), Plant Area Index (PAI) and fractional vegetation cover (FCOVER) and can be obtained from optical and LiDAR remote sensing, such as Sentinel-2 (S2) and the Global ...
Birgitta Putzenlechner   +7 more
doaj   +1 more source

Entrepreneurship, Stages of Development, and Industrialization [PDF]

open access: yes
Unlike in the past where industrial policy was either focused on creation and growth of state-owned firms or alternatively consisted merely of broadly functional policies without consideration for firm or entrepreneurial specifics, the requirement now is
Acs, Zoltan J., Wim Naud�
core  

Gravity with extra dimensions and dark matter interpretation: A straightforward approach

open access: yes, 2012
Any connection between dark matter and extra dimensions can be cognizably evinced from the associated effective energy-momentum tensor. In order to investigate and test such relationship, a higher dimensional spacetime endowed with a factorizable general
Coimbra-Araujo, C. H., da Rocha, Roldao
core   +2 more sources

Validation of the vertical canopy cover profile products derived from GEDI over selected forest sites

open access: yesScience of Remote Sensing
Canopy cover (CC) quantifies the proportion of canopy materials projected vertically onto the ground surface. CC is a crucial canopy structural variable and is commonly used in many ecological and climatic models.
Yu Li   +6 more
doaj   +1 more source

On-the-fly Historical Handwritten Text Annotation

open access: yes, 2017
The performance of information retrieval algorithms depends upon the availability of ground truth labels annotated by experts. This is an important prerequisite, and difficulties arise when the annotated ground truth labels are incorrect or incomplete ...
Hast, Anders, Vats, Ekta
core   +1 more source

NASA Report on Cal/Val Activities [PDF]

open access: yes
NASA report on Calibration/Validation activities, including recent launches of ICESat-2, GEDI and OCO ...
Thome, K.
core   +1 more source

Boston University Honors String Quartet and Boston University Honors Woodwind Quintet, November 4, 1983 [PDF]

open access: yes, 1983
This is the concert program of the Boston University Honors String Quartet and Boston University Honors Woodwind Quintet performance on Friday, November 4, 1983 at 8:00 p.m., at Concert Hall, 855 Commonwealth Avenue.
School of Music, Boston University
core  

Analiza podatkov misije NASA GEDI

open access: yes, 2023
The NASA GEDI (Global Ecosystem Dynamics Investigation) mission provides high-quality measurements of vertical forest structure. The thesis includes data overview, quality verification, removal of poor data, derivation of GEDI Level 2A and 2B products such as canopy height, elevation, RH measurements, leaf area index, and vegetation volume density ...
openaire   +1 more source

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