• No results found

Remote sensing and ground-based observations

Integration of remote sensing and ground based observations for estimation of emissions and removals of greenhouse gases in forests: methods and guidance from the Global Forest Observations Initiative

Integration of remote sensing and ground based observations for estimation of emissions and removals of greenhouse gases in forests: methods and guidance from the Global Forest Observations Initiative

... were based on Landsat imagery, the reference data were considered of greater quality because of the use by skilled interpreters with access to additional ...

260

Detection of Fog and Low Cloud Boundaries with Ground-Based Remote Sensing Systems

Detection of Fog and Low Cloud Boundaries with Ground-Based Remote Sensing Systems

... The case of 19 November 2003 shows that such de- tection is more complex when the boundaries them- selves are not well defined as inferred from the sound- ing profiles and the wind profiler signal-to-noise ratio time ...

12

Soil water content estimation using ground-based active and passive microwave remote sensing: ground-penetrating radar and radiometer

Soil water content estimation using ground-based active and passive microwave remote sensing: ground-penetrating radar and radiometer

... spaceborne remote sensing ...using ground-based equipment is the fact that the obtained backscattering is typically related to averaged ground-based measurements of soils and ...

195

Observations of snowpack properties to evaluate ground-based microwave remote sensing

Observations of snowpack properties to evaluate ground-based microwave remote sensing

... evaluated ground-based Frequency Modulated Continuous Wave (FMCW) radar (12–18 GHz, cross-polarisation) using very high resolution in-situ observations of snowpack layering, dielectric permittivity ...

8

Simulation of submillimetre atmospheric spectra for characterising potential ground-based remote sensing observations

Simulation of submillimetre atmospheric spectra for characterising potential ground-based remote sensing observations

... are based on radiative trans- fer forward model output, a rigorous approach was adopted to estimate its major uncertainties and capture the true be- haviour of the ...to remote sensing and climate ...

25

Volcano remote sensing with ground-based spectroscopy

Volcano remote sensing with ground-based spectroscopy

... health. Remote sensing techniques are being increasingly used in this field because they provide real-time data and can be applied at safe distances from the target, even throughout violent eruptive ...of ...

16

Ground-based remote sensing of thin clouds in the Arctic

Ground-based remote sensing of thin clouds in the Arctic

... In general, the statistics are qualitatively consistent with prior studies of the seasonality of Arctic clouds (e.g., Shupe et al., 2005; Kay and Gettelman, 2009; Devasthale et al., 2011). The Arctic is cloudy. Thin ...

17

Absorption properties of Mediterranean aerosols obtained from multi-year ground-based remote sensing observations.

Absorption properties of Mediterranean aerosols obtained from multi-year ground-based remote sensing observations.

... long-term observations of absorption in the atmospheric column, and specifically an analysis of the role played by dust aerosols, are still ...surface remote-sensing ...

17

Ground based ultraviolet remote sensing of volcanic gas plumes

Ground based ultraviolet remote sensing of volcanic gas plumes

... array based unit, for transverse plume observations, with the first dimension capturing spectra, each corresponding to a vertical segment of the plume, as indexed by the second array ...

16

Monitoring turfgrass species by ground-based and satellite remote sensing

Monitoring turfgrass species by ground-based and satellite remote sensing

... 3.4 Conclusions The application of vegetation indices helps to highlight spectral differences including turf quality, color, dry matter, chlorophyll, carotenoids and nitrogen content. Results showed that within the same ...

43

Status of the undisturbed mangroves at Brunei Bay, East Malaysia: a preliminary assessment based on remote sensing and ground-truth observations

Status of the undisturbed mangroves at Brunei Bay, East Malaysia: a preliminary assessment based on remote sensing and ground-truth observations

... both remote sensing and ground-truth observations are in a general agreement to represent the (dominant) mangrove species composition and distribution at Brunei Bay and be able serve as a ...

22

Ground-based remote sensing scheme for monitoring aerosol–cloud interactions

Ground-based remote sensing scheme for monitoring aerosol–cloud interactions

... 3.2 Data selection criteria Clouds are complicated systems with many processes tak- ing place at the same time. Singling out a small microphys- ical process is difficult. Data need to be limited by imple- menting a ...

12

A Method for Hemispherical Ground Based Remote Sensing of Urban Surface Temperatures

A Method for Hemispherical Ground Based Remote Sensing of Urban Surface Temperatures

... irradiances are matched with irradiances modeled at slightly higher T surf to make up for the underestimated at-sensor L sky signal. 2.7.3 The effect of sensor sampling geometry on remote sensed T surf Results in ...

168

Cirrus Occurrence and Properties Determined From Ground-Based Remote Sensing

Cirrus Occurrence and Properties Determined From Ground-Based Remote Sensing

... and remote sensing observations, modelling of light scattering and lab measures are ...situ observations (8) of halo forming cirrus clouds prove that halos are not necessarily associated to ...

213

Effective radius of cloud droplets by ground-based remote sensing: Relationship to aerosol

Effective radius of cloud droplets by ground-based remote sensing: Relationship to aerosol

... As in Figure 2, t c and LWP exhibited similar fluctuation during the overcast period, with a roughly linear depen- dence of t c on LWP. The mixed layer height increased from 600 m (1750 UTC) to 1400 m (2031 UTC), ...

20

Remote sensing of cloud properties using ground-based measurements of zenith radiance

Remote sensing of cloud properties using ground-based measurements of zenith radiance

... When clouds are overcast and thick, and the spectral contrast in surface reflectance is small, the COUPLED method can become unstable and often sub- stantially overestimates cloud optica[r] ...

12

Tracking of urban aerosols using combined LIDAR-based remote sensing and ground-based measurements

Tracking of urban aerosols using combined LIDAR-based remote sensing and ground-based measurements

... mote sensing to mass concentration, obtained from the mea- surements of PM 10 ...the ground-based measurement site with a correlation coefficient of ...

10

WRF simulation of a precipitation event over the Tibetan Plateau, China – an assessment using remote sensing and ground observations

WRF simulation of a precipitation event over the Tibetan Plateau, China – an assessment using remote sensing and ground observations

... Abstract. Meteorological observations over the Tibetan Plateau (TiP) are scarce, and precipitation estimations over this remote region are difficult. The constantly improving ca- pabilities of numerical ...

23

Ground Data are Essential for Biomass Remote Sensing Missions

Ground Data are Essential for Biomass Remote Sensing Missions

... Several remote sensing missions will soon produce detailed carbon maps over all terrestrial ...such ground-based observation systems need to be regularly revisited and maintained at least over ...

16

Multisensor Fusion of Ground-based and Airborne Remote Sensing Data for Crop Condition Assessment

Multisensor Fusion of Ground-based and Airborne Remote Sensing Data for Crop Condition Assessment

... million tons per year by 2010-11. However, nitrogen fertilizers also have a negative impact on environment. Stern (2006) pointed out that nitrogen fertilizer accounts for one-third of greenhouse gases produced by ...

170

Show all 10000 documents...

Related subjects