منابع مشابه
Understanding ERS Coherence over Urban Areas
C-band SAR interferometry has been widely used for several Earth related studies (topography, volcanology, forestry etc.). Nevertheless, not much attention has been paid to urban areas and coherence has been used for classification purposes only. In this study we focused on the meaning of coherence of an urban area and performed several analysis in order to understand what causes decorrelation....
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Pavements consisting of water-permeable paving stone have a certain retention and storage capability for rainwater in the event of intense rain. Applied on a large surface, this results in a mitigation of flood events. Compared to an impermeable surface area, the surface flow rate decreases while groundwater regeneration increases. To date, the actual change in the third water balance parameter...
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Long-term eddy covariance particle number flux measurements for the diameter range 6 nm to 5μm were performed at the SMEAR III station over an urban area in Helsinki, Finland. The heterogeneity of the urban measurement location allowed us to study the effect of different land-use classes in different wind directions on the measured fluxes. The particle number fluxes were highest in the directio...
متن کاملAirborne flux measurements of biogenic isoprene over California
Biogenic isoprene fluxes were measured onboard the CIRPAS Twin Otter aircraft as part of the California Airborne Biogenic volatile organic compound (BVOC) Emission Research in Natural Ecosystem Transects (CABERNET) campaign during June 2011. The airborne virtual disjunct eddy covariance (AvDEC) approach used measurements from a proton transfer reaction mass spectrometer (PTR–MS) and a wind rado...
متن کاملEddy covariance methane flux measurements over a grazed pasture
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ژورنال
عنوان ژورنال: Journal of Japan Society of Hydrology and Water Resources
سال: 2016
ISSN: 0915-1389,1349-2853
DOI: 10.3178/jjshwr.29.57