搜索结果: 1-15 共查到“知识库 field measurements”相关记录16条 . 查询时间(0.135 秒)
EXPLOITING SENTINEL-1 AMPLITUDE DATA FOR GLACIER SURFACE VELOCITY FIELD MEASUREMENTS:FEASIBILITY DEMONSTRATION ON BALTORO GLACIER
Sentinel-1 glacier monitoring SAR amplitude tracking surface velocity Baltoro Glacier
2016/11/24
The leading idea of this work is to continuously retrieve glaciers surface velocity through SAR imagery, in particular using the amplitude data from the new ESA satellite sensor Sentinel-1 imagery. Th...
Estimating the spatial distribution of PM2.5 concentration by integrating geographic data and field measurements
Air pollution remote sensing dust surface industrial polluting source correlation analysis multivariate regression analysis
2015/7/27
Air quality directly affects the health and living of human beings, and it receives wide concern of public and attaches great important of governments at all levels. The estimation of the concentratio...
Calculation of Constitutive Parameters from Electric and Magnetic Field Measurements in an Anisotropic Medium with a Triaxial Instrument
Electrical Anisotropy Triaxial Measurement Electric and Magnetic Dipoles
2013/3/11
A hypothetical electric and magnetic induction tensor is considered in an anisotropic medium. The sources are magnetic dipoles. In such a medium, constitute parameters can be calculated by combining e...
Sample drying to improve HCHO measurements by PTR-MS instruments: laboratory and field measurements
HCHO PTR-MS laboratory and field measurements
2010/2/21
A significant improvement in the PTR-MS instrument sensitivity to formaldehyde was obtained by drying the air sample to a dew point of −30 °C using a cold trap to condense and freeze water vapou...
Uranium,Radium and Field Measurements in the Water of Gediz River
Gediz River geological structure natural radioactivity Turkey
2009/10/14
Gediz River drains a large area of the central Aegean region of western Turkey. The geological structure contains mostly metamorphic and volcanic rocks of the Palaeozoic, Mesozoic and Neogene ages. Wa...
Field Measurements of the Total and Spectral Albedo of Snow and Ice in Dronning Maud Land, Antarctica
albedo spectral albedo snow blue-ice Antarctica
2009/6/9
Variabilities in the spectral and total (between 300-3000 nm) albedo of snow were studied in the Dronning Maud Land region of Antarctica during the austral summers of 1999/2000 and 2000/2001. The meas...
Comparison between field measurements and numerical simulation of steady-state solute transport in a heterogeneous soil profile
field measurements solute transport numerical simulation soil profile
2009/6/8
Field-scale solute dispersion is determined by water flow heterogeneity which results from spatial variability of soil hydraulic properties and soil moisture state. Measured variabilities of soil hyd...
Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements
Evaluating parameterizations heat transfer aerodynamic resistance
2009/5/7
Parameterizations of aerodynamic resistance to heat and water transfer have a significant impact on the accuracy of models of land – atmosphere interactions and of estimated surface fluxes using spec...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles
hygroscopic properties state nucleation mode particles
2009/3/11
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of nucleatio...
Seabed Stresses in Combined Wave and Steady Flow Conditions on the Nova Scotia Continental Shelf：Field Measurements and Predictions
Seabed Stresses Combined Wave Steady Flow Continental Shelf
2009/1/5
A tripod holding electromagnetic flowmeters at two heights within 1 m above the seabed has been deployed at two shallow sites (25 and 45 m depths) on the continental shelf off Nova Scotia, Canada. Wav...
Sediment–Porewater Partition of Nonylphenol Polyethoxylates: Field Measurements from Lanzhou Reach of Yellow River, China
Sediment–Porewater Partition Yellow River
2013/12/12
Nonylphenol polyethoxylates (NPnEO) andnonylphenol (NP) have drawn much environmental concernbecause of their weak estrogenic activities. The presentstudy focused on the spatial distribution of NPnEO ...
Study of suitability of AvaSpec array spectrometer for solar UV field measurements
AvaSpec spectrometer solar UV
2008/11/11
A system to record the ultraviolet (UV) spectra of atmospheric global irradiance with the miniature fiber optic spectrometer AvaSpec-256 was developed for continuous computer-aided spectrometry at Tar...
Technical Note: Determination of formaldehyde mixing ratios in air with PTR-MS: laboratory experiments and field measurements
Determination formaldehyde mixing ratios air PTR-MS laboratory experiments field measurements
2008/10/27
Formaldehyde (HCHO), the most abundant carbonyl compound in the atmosphere, is generated as an intermediate product in the oxidation of nonmethane hydrocarbons. Proton transfer reaction mass spectrome...
Electromagnetic field measurements in ULF-ELF-VLF [0.001 Hz–100 KHz] bands
Electromagnetic field measurements ULF-ELF-VLF 0.001 Hz–100 KHz bands
2010/1/27
We are reporting the technological and scientific objectives of the MEM project. The MEM project has been activated in the INGV Observatory of L'Aquila to create in Central Italy a network of observat...
FIELD MEASUREMENTS OF SURFACE SUSPENDED SEDIMENT CONCENTRATION IN THE YANGTZE ESTUARY, CHINA
Yangtze (Changjiang) Estuary Suspended Sediment Concentration Re-suspension wind Wave
2013/7/22
The Yangtze estuary, from Xuliujing to the mouth, is 145 km in length and the width extends from 5 km at Xuliujing to 90 km at the mouth. There are lots of influence factors on the motions of flow and...