Results 71 to 80 of about 1,972,358 (155)

Diagnostics for spectropolarimetry and magnetography [PDF]

open access: yes, 2010
An assessment on the capabilities of modern spectropolarimeters and magnetographs is in order since most of our astrophysical results rely upon the accuracy of the instrumentation and on the sensitivity of the observables to variations of the sought ...
Cabrera Solana   +7 more
core   +1 more source

Trends in Automatic Individual Tree Crown Detection and Delineation—Evolution of LiDAR Data

open access: yesRemote Sensing, 2016
Automated individual tree crown detection and delineation (ITCD) using remotely sensed data plays an increasingly significant role in efficiently, accurately, and completely monitoring forests.
Zhen Zhen   +2 more
doaj   +1 more source

Remote Sensing Based Two-Stage Sampling for Accuracy Assessment and Area Estimation of Land Cover Changes

open access: yesRemote Sensing, 2015
Land cover change processes are accelerating at the regional to global level. The remote sensing community has developed reliable and robust methods for wall-to-wall mapping of land cover changes; however, land cover changes often occur at rates below ...
Heinz Gallaun   +5 more
doaj   +1 more source

Free European data on forest distribution: overview and evaluation

open access: yesJournal of Forest Science, 2013
A growing need for the evaluation of prospects and sustainability of forest resources calls for the availability of harmonized data on forest distribution.
J. Trombik, T. Hlásny
doaj   +1 more source

Impervious Surface Mapping in Coastal New Hampshire (2005) [PDF]

open access: yes, 2006
Estimates of impervious surface acreage in 2005 were generated and compared to prior estimates for 1990 and 2000 for a 48-town region in coastal New Hampshire, including the 42 towns within Zones A and B of the New Hampshire Estuaries Project (NHEP) area.
Justice, David G., Rubin, Fay A.
core   +1 more source

Domestic Health Assessment for Syrian Refugees in Rutland, VT [PDF]

open access: yes, 2017
The Vermont Dept. of Health/Agency of Human Services “Refugee Domestic Health Assessment Form” was reviewed, edited, and reformatted to improve provider work-flow, ensure accuracy, and ease the process of data collection.
Grant, Ian
core   +1 more source

Nationwide forestry applications program. Analysis of forest classification accuracy [PDF]

open access: yes
The development of LANDSAT classification accuracy assessment techniques, and of a computerized system for assessing wildlife habitat from land cover maps are considered.
Congalton, R. G.   +3 more
core   +1 more source

A spatial accuracy assessment of an alternative circular scan method for Kulldorff's spatial scan statistic [PDF]

open access: yes, 2009
This paper concerns the Bernoulli version of Kulldorff’s spatial scan statistic, and how accurately it identifies the exact centre of approximately circular regions of increased spatial density in point data. We present an alternative method of selecting
Bath, P.A.   +3 more
core  

Land use change and classification in Chaohu Lake catchment from multi-temporal remotely sensed images

open access: yesGeology, Ecology, and Landscapes, 2019
Chaohu lake and its surrounding have received considerable attention in terms of water and sediment pollution investigations. In this study, the trend of changes in four key land uses in the catchment area was examined.
T. D. T. Oyedotun
doaj   +1 more source

Assessment of Consensus Forecasts Accuracy: The Czech National Bank Perspective [PDF]

open access: yes
This paper compares the accuracy of the Consensus forecasts for euro-area GDP growth, consumer and producer price inflation, and the USD/EUR exchange rate to those of the European Commission, International Monetary Fund, and Organization for Economic Co ...
Filip Novotný, Marie Raková
core  

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