44 Questions 56 Answers 0 Followers
Questions related from Victor Klemas
What journals deal with migratory bird navigation, salmon migration, etc.?
01 January 2015 1,090 10 View
Can eelgrass colonies be detected from satellite altitudes?
01 January 2015 8,583 5 View
Would any remote sensing techniques be able to map such clusters over large ocean surface regions?
01 January 2015 4,900 3 View
There are many drone systems available for wetland remote sensing, but quadcopters seem to be most effective. What are the costs of using a mid-sized quadcopter?
01 January 2015 239 6 View
Has anyone used drogues, quadcopters, blimps and balloons/kitoons for mapping coastal features and processes e.g. SAV, emergent vegetation, pollutants, oil slicks, bathymetry, currents, etc.?
11 November 2014 7,194 5 View
What satellite hyperspectral sensors are available besides Hyperion and MODIS?
10 October 2014 910 3 View
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05 May 2014 6,408 4 View
05 May 2014 9,641 3 View
What if it needs to carry only a small digital camera?
05 May 2014 871 1 View
What ocean subsurface and deeper ocean features/processes can be characterized by models using images and measurements of sea surface features/processes obtained by satellite sensors?
10 October 2013 8,188 4 View
Evapotranspiration.
08 August 2013 8,389 3 View
How accurately can one estimate cloud height and water vapor using Thermal Infrared data from AVHRR and GOES satellites?
08 August 2013 9,322 2 View
Deep ocean dynamics and thermal/salinity structures cannot be observed by satellite remote sensors directly, but can be estimated with the help of models using satellite data. Which processes and...
08 August 2013 6,615 3 View
What spatial resolution is required for mapping kelp "forests" with satellite imagers? Can kelp biomass be estimated using data from multispectral or hyperspectral imagers on satellites or aircraft?
05 May 2013 4,820 4 View
Do fish in the Baltic Sea tend to aggregate near oceanic fronts, river plumes, and other features for improved feeding? Can potential fish school presence in the Baltic Sea be predicted by...
05 May 2013 226 12 View
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05 May 2013 2,720 4 View
What are the best remote sensing techniques for mapping freshwater (upstream, prairy pothole, etc.) wetlands?
05 May 2013 8,117 3 View
Are any countries installing remote sensors on commercial airliners to monitor oil spills, algal blooms,or other undesirable processes/features in coastal waters or inland seas (e.g. Baltic Sea,...
05 May 2013 429 2 View
Ocean acoustic waveguide remote sensing (OAWRS) , which uses the continental shelf as an acoustic waveguyide, can image large schools of fish over hundreds of square kilometers. Can the OAWRS...
05 May 2013 7,739 0 View
Can submerged oil plumes or emulsified oil clouds be detected using acoustic sensors? What other sensors can detect such submerged oil concentrations remotely or directly?
05 May 2013 4,980 0 View
What are the most effective methods for remotely detecting and mapping coastal freshwater springs? The water temperature of these springs changes rapidly to an intermediate temperature between the...
04 April 2013 7,748 1 View
There have been articles on remotely sensing malaria mosquito habitat, including some wet marshy areas. Has anyone tried to remotely map deer-tick habitat (e.g. certain shrubs, etc.)? What kind...
04 April 2013 6,295 1 View
Satellite multispectral imagers should be able to distinguish several levels of eutrophication intensity (e.g heavy, moderate, light) in lakes or coastal waters. Is this generally true or must one...
04 April 2013 1,421 2 View
The EO-! Hyperion hyperspectral imager has only moderate spatial resolution of 30 m and a relatively poor signal-to-noise ratio. How suitable is it for mapping coastal vegetation, such as salt...
04 April 2013 7,037 6 View
Can mangrove cover (extent) and main species composition be mapped with multispectral scanners or must one use hyperspectral techniques? What spatial resolution would be required for global...
04 April 2013 5,667 7 View
What are the best airborne remote sensing techniques for estimating oil type and slick thickness? What are the best sensors on AUV's for detecting and mapping submerged oil plumes?
04 April 2013 3,237 1 View
Marine debris seems to collect in ocean convergence zones, such as the North Pacific Subtropical Convergence Zone. Assuming that one can map these convergence zones using satellite remote sensing,...
04 April 2013 6,413 4 View
Is there any data available on the penetration depth of Ground Penetrating Radar in wetlands as a function of soil salinity?
04 April 2013 9,430 2 View
In lidar bathymetry, the laser pulse penetration depth is often assumed to be about three Secchi depths. Is this a reasonable assumption even for somewhat turbid estuarine waters?
03 March 2013 506 1 View
There are many publications on soil moisture mapping with microwave radiometry. How useful is thermal infrared data for estimating approximate soil moisture? How accurate would such estimates be?
03 March 2013 1,079 2 View
In microwave radiometry of soil moisture, what is the typical magnitude or range of errors introduced by variations in soil roughness and vegetation cover? Soil texture can also affect accuracy,...
03 March 2013 8,084 1 View
What spatial resolution would be required for effective mapping of mangrove forest extent and location on a global scale using satellite imagery? Would multispectral imagery suffice or does one...
03 March 2013 6,354 4 View
What is the vertical accuracy of lidar bathymetry and topography measurements, assuming low water turbidity and no vegetative cover on land?
03 March 2013 6,663 0 View
What are the most cost-effective techniques for tracking subsurface oil plumes (or concentrations)? If one uses AUVs (ocean gliders, etc.), what detectors or other instrumentation should they...
03 March 2013 5,448 3 View
SAR and multispectral imagers seem to be best for tracking (mapping) surface oil slicks. What is the added value of including a thermal infrared scanner? Can thermal IR provide rough estimates of...
03 March 2013 2,435 2 View
Using commercial airborne lidar systems, what is the range of accuracies one can obtain for topographic mapping on land (or sandy beach above water) ? Assume there is no vegetation cover.
03 March 2013 7,001 11 View
How rapidly does the error in soil moisture measurement with microwave radiometers increase as the percentage of vegetation cover increases? What percentage of vegetation cover (density) is...
03 March 2013 4,225 1 View
What is the range of accuracies for airborne lidar measurements of land topography and water bathymetry? Assume no vegetation cover on land and low turbidity of water!
03 March 2013 4,383 9 View
What range of errors will be introduced by soil roughness and vegetative cover variations in microwave radiometry of soil moisture?
03 March 2013 824 7 View
Can Phragmites be identified in satellite imagery?
02 February 2013 4,202 6 View
Is hyperspectral imagery absolutely necessary, or can one map the mangroves with multispectral sensors?
02 February 2013 4,367 1 View
Besides evapotranspiration and hydrologic flow network what else can be derived from this data?
02 February 2013 7,613 2 View
SMOS accuracy has been improved. What is the latest?
02 February 2013 8,294 1 View
Need to know most recent accuracies of lidar beach profiles.
02 February 2013 8,542 2 View
