Results 1 to 10 of about 98,660 (145)

APPLICATION OF GIS TECHNOLOGIES TO BUILD SPATIAL PREDICTORS FOR MAPPING FOREST ECOSYSTEM FUNCTIONS AT THE LOCAL LEVEL [PDF]

open access: yesВопросы лесной науки, 2022
The article presents the experience of using GIS technologies to prepare spatial predictors for their further use in modeling and mapping the dynamics of forest ecosystem functions.
M. S. Savin   +2 more
doaj   +1 more source

THE COMPARISON OF DRAINAGE NETWORK EXTRACTION BETWEEN SQUARE AND HEXAGONAL GRID-BASED DEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
The automatic extraction of valleys or ridges from DEM is a long term topic in the GIS and hydrology fields and a number of algorithms have been developed.
L. Wang, T. Ai
doaj   +1 more source

Research and Application of A New Hydrographic Datasets: A Case Study in Dongting River Basin

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 High-resolution hydrographic datasets have become increasingly accessible which will have a significant impact on hydrological modelling such as runoff and flood inundation. In this paper, we present a new hydrographic dataset.
HUANG Zequn   +6 more
doaj   +1 more source

Neutralized solar wind ahead of the Earth's magnetopause as contribution to non-thermal exospheric hydrogen [PDF]

open access: yesAnnales Geophysicae, 2018
In a most recent paper by Qin and Waldrop (2016), it had been found that the scale height of hydrogen in the upper exosphere of the Earth, especially during solar minimum conditions, appears to be surprisingly large. This indicates that during minimum
H. J. Fahr   +3 more
doaj   +1 more source

Pemodelan Garis Pantai Menggunakan Metode Interpolasi Stacked Curve Spline Tension

open access: yesTeknik, 2021
Wilayah pesisir merupakan lingkungan dinamis yang dipengaruhi oleh interaksi atmosfer, daratan dan lautan. Demikian pula, posisi garis pantai juga selalu berubah karena komponen alami dan ulah manusia seperti erosi, gelombang, pasang harian, badai, dan ...
Nadya Oktaviani   +5 more
doaj   +1 more source

Effect of UV Radiation and Salt Stress on the Accumulation of Economically Relevant Secondary Metabolites in Bell Pepper Plants

open access: yesAgronomy, 2020
The green biomass of horticultural plants contains valuable secondary metabolites (SM), which can potentially be extracted and sold. When exposed to stress, plants accumulate higher amounts of these SMs, making the extraction and commercialization even ...
Jan Ellenberger   +7 more
doaj   +1 more source

Soil erosion estimation using Geographic Information System (GIS) and Revised Universal Soil Loss Equation (RUSLE) in the Siwalik Hills of Nawalparasi, Nepal

open access: yesJournal of Water and Climate Change, 2021
Soil erosion is one of the gravest environmental threats to the mountainous ecosystems of Nepal. Here, we combined a Geographic Information System (GIS) with the Revised Universal Soil Loss Equation (RUSLE) to estimate average annual soil loss, map ...
Durga Bahadur Tiruwa   +3 more
doaj   +1 more source

Physical Conditions and Variability Processes in AGN Jets through Multi-Frequency Linear and Circular Radio Polarization Monitoring

open access: yesGalaxies, 2016
Radio polarimetry is an invaluable tool to investigate the physical conditions and variability processes in active galactic nuclei (AGN) jets. However, detecting their linear and circular polarization properties is a challenging endeavor due to their low
Ioannis Myserlis   +5 more
doaj   +1 more source

Discrete-element modeling of strain localization in a dense and highly coordinated periodic granular assembly

open access: yesFracture and Structural Integrity, 2022
Strain localization is one of the key phenomena which has been extensively studied in geomaterials and for other kinds of materials including metals and polymers. This well-known phenomenon appears when structure/material is closed to failure.
Trung-Kien Nguyen   +2 more
doaj   +1 more source

Using historical aerial images to accurately locate the urban "invisible" active faults: A case study of the Shuiyu fault of the Datong Basin in Shanxi province

open access: yesDizhi lixue xuebao, 2021
Active fault is a major risk source of urban earthquake disaster. Accurately identifying the spatial geometry distribution features of active fault is the basis for urban seismic risk migration.
GUO Fei   +5 more
doaj   +1 more source

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