Results 51 to 60 of about 139,178 (334)

Comparison and analysis of CryoSat DEM and the several Antarctic DEM

open access: yes地质科技通报, 2021
Antarctica is covered by huge snow and ice, and its geological structure is bounded by the Trans-Antarctic Mountains, and is generally divided into the East Antarctic Shield and the West Antarctic Active Zone.
Wenli Yue   +4 more
doaj   +1 more source

An investigation of Digital Elevation Model (DEM) structure influence on flood modelling

open access: yesIOP Conference Series: Earth and Environmental Science, 2018
Flood is one of the natural calamities that cause huge losses and damages. Flood hazard zonation has been widely produced to face the impact of the disaster. DEM as the primary data to construct the earth surface has been developed from rough to fine resolution. Aster GDEM v.2 within 1arc spatial resolution has an ability to derived DEM and TIN data as
null Sahid, A W Nurrohman, M P Hadi
openaire   +1 more source

Research on the Method of Building Dem by Contours

open access: yesITM Web of Conferences, 2017
Digital elevation model (DEM), as an important product of digital photogrammetry and digital surveying and mapping, it plays an increasingly important role in the field of surveying and mapping and geographic information system.
Zhu Ji-Wen   +4 more
doaj   +1 more source

Adjusting Lidar-Derived Digital Terrain Models in Coastal Marshes Based on Estimated Aboveground Biomass Density

open access: yesRemote Sensing, 2015
Digital elevation models (DEMs) derived from airborne lidar are traditionally unreliable in coastal salt marshes due to the inability of the laser to penetrate the dense grasses and reach the underlying soil.
Stephen Medeiros   +3 more
doaj   +1 more source

ANALYSIS AND COMPARISON OF SRTM3 DEM AND ASTER GDEM V2 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Global Geographic Information Resources Construction and Maintenance Renewal Project is in urgent need of digital elevation model worldwide. At present, the errors of ASTER GDEMv2 and SRTM3 DEM data widely used are unevenly distributed.
J. Shen, W. L. Han, L. B. Zhang, J. Ge
doaj   +1 more source

Tinjauan Geologi Terhadap Model Elevasi Digital Sistem Parit-prisma Akresi, Selatan Jawa [PDF]

open access: yes, 2009
Model elevasi digital sistem parit-prisma akresi selatan Pulau Jawa menggambarkan keterwakilan topografi dasar laut seperti elevasi, lereng dan lain sebagainya secara tepat dan dengan mudah dapat dikuantifikasikan serta digambarkan sebagai output images.
Kusnida, D. (Dida), Naibaho, T. (Tommy)
core  

Orthorectification and Digital Elevation Model (DEM) Generation Using Cartosat-1 Satellite Stereo Pair in Himalayan Terrain

open access: yesJournal of Geographic Information System, 2010
High resolution data have high relief displacement in hilly terrains. Development of Digital Elevation model helps to assess bio resources more accurately in such terrains. While estimating bio resources in the Himalayan hilly terrain using multispectral
V. Singh, P. Ray, A. T. Jeyaseelan
semanticscholar   +1 more source

Evaluating the Utility of Paired Tumor and Germline Targeted DNA Sequencing for Pediatric Oncology Patients: A Single Institution Report

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Objective To evaluate the diagnostic yield and utility of universal paired tumor–normal multigene panel sequencing in newly diagnosed pediatric solid and central nervous system (CNS) tumor patients and to compare the detection of germline pathogenic/likely pathogenic variants (PV/LPVs) against established clinical referral criteria for cancer ...
Natalie Waligorski   +9 more
wiley   +1 more source

A NEW HIGH-RESOLUTION ELEVATION MODEL OF GREENLAND DERIVED FROM TANDEM-X [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In this paper we present for the first time the new digital elevation model (DEM) for Greenland produced by the TanDEM-X (TerraSAR add-on for digital elevation measurement) mission.
B. Wessel   +4 more
doaj   +1 more source

Scale factor and digital elevation analysis for hydrological studies [PDF]

open access: yes, 2007
The digital elevation model (DEM) is usually used to express a topographic surface in three dimensions and to imitate essential natural geography. The DEM is a model of the elevation surface, which is subject to errors.
Chng, Loi Kok, Ramli, Mohammad Firuz
core  

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