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Topic: Satellite images


  
  Aerial Photographs and Satellite Images
Remotely sensed images are usually categorized according to the altitude of the aircraft or spacecraft and the characteristics of the sensors used to generate the images.
The altitude from which an image is taken and the physical characteristics of the sensor, such as the lens focal length in the case of cameras, largely determine the area covered and the amount of detail shown.
Satellite scanner data are commonly displayed as images whose colors resemble those of color-infrared aerial photographs, but the colors of a given image can be manipulated by computer to enhance landscape features.
erg.usgs.gov /isb/pubs/booklets/aerial/aerial.html   (2845 words)

  
 Franklin's Forecast - Satellite Images
Visible images are the most like photographs because they show the sunlight that is reflected from the Earth.
Satellite sensors measure the amount of infrared energy emitted by the clouds and ground below, and computers interpret the data, generating infrared images for meteorologists to use.
Satellite sensors measure the amount of energy that water vapor molecules emit.
sln.fi.edu /weather/satellite/images.html   (224 words)

  
 EO Newsroom: New Images - Urban Heat Island: Atlanta, Georgia
This pair of Landsat satellite images provides two views of urban Atlanta, Georgia, on September 28, 2000; the urban core is in the center of the images.
The top image is a photo-like view of the area, where trees and other vegetation are green, roads and dense development appear cement-gray, and bare ground appears tan or brown.
The bottom image is a land surface temperature map, in which cooler temperatures are yellow and hotter temperatures are red.
earthobservatory.nasa.gov /Newsroom/NewImages/images.php3   (383 words)

  
 Satellite imagery - Wikipedia, the free encyclopedia
The first satellite photographs of the Moon might have been made on October 6, 1959 by the Soviet satellite Luna 3, on a mission to photograph the far side of the Moon.
The resolution of satellite images varies depending on the instrument used and the altitude of the satellite's orbit.
Satellite imagery can be combined with vector or raster data in a GIS provided that the imagery has been spatially rectified so that it will properly align with other data sets.
en.wikipedia.org /wiki/Satellite_images   (786 words)

  
 Satellite Imagemap of the World - 1,000 meter resolution for media use
The full-resolution World coverage Satellite Imagemap, with a pixel resolution of 1 km for any location in the world, is 43,200 by 21,600 pixels - 2.3 gigabytes of data in 24 bit RGB colour.
Images are geocoded in a simple cylindrical projection (latitude-longitude grid) for easy use with other geographic information such as digital maps, gazetteers and terrain models.
In addition to the 1 kilometer satellite imagery, we also offer a range of very high resolution sources running from as detailed as 2 meter, thru 10, 15, 20 and 30 meter, 160 and 250 meter from various remote sensing sources.
www.satellite-images.com   (816 words)

  
 Reading Satellite Images--Earth Science/Physical Science lesson plan (grades 6-8)--DiscoverySchool.com
Explain that satellites use remote sensing instruments to collect data, which are transmitted from the satellite to the ground as radar or microwave signals.
Satellite radar works by emitting a signal to the ground and measuring the time it takes to return to the satellite.
Each image is accompanied by a caption that explains how the image has been computer-enhanced to reveal nature's secrets and human influence on the environment.
school.discovery.com /lessonplans/programs/satelliteimages/index.html   (2419 words)

  
 Homsonline - Homs Online, Satellite Images
One-meter resolution satellite image of Manhattan, New York was collected June 30, 2000 by Space Imaging's IKONOS satellite.
One-meter resolution satellite image of The Pentagon was collected on Dec. 28, 2000 by Space Imaging's IKONOS satellite.
This 30-meter, low-resolution color satellite image of Manhattan and the New York City area was collected in the summer of 1997 by the Landsat 5 satellite.
www.homsonline.com /SatelliteImages.htm   (333 words)

  
 Satellite Images
The satellite images above are obtained from the GOES-9 satellite and are provided with the permission of the Japan Meteorological Agency (JMA) and the United States' National Oceanic & Atmospheric Administration (NOAA).
The time stamp on the images is the start time of the reception of the top of the image from the satellite.
Note that images toward the beginning and end of each day show large fl areas because those areas are un-illuminated by the rising or setting sun.
www.bom.gov.au /weather/satellite/latest_images.shtml   (293 words)

  
 NASA - Hurricane Season 2005: Katrina
The large images are at MODIS’ maximum resolution, but both the August 30 and August 27 images are available in additional resolutions from the MODIS Rapid Response Team.
This is an image of Hurricane Katrina on Sunday, August 28, 2005 at 10:25 PM EDT (Or 2:27 UTC Monday, August 29) as seen by the Tropical Rainfall Measuring Mission (TRMM) satellite's PR (Precipitation Radar), VIRS (Visible Infrared Scanner), TMI (Tropical Microwave Imager) and the GOES spacecraft.
This is an image of Hurricane Katrina on Sunday, August 28, 2005 at 5:30 PM EDT (21:33 UTC) as seen by the Tropical Rainfall Measuring Mission (TRMM) satellite's PR (Precipitation Radar), VIRS (Visible Infrared Scanner), TMI (Tropical Microwave Imager) and the GOES spacecraft.
www.nasa.gov /vision/earth/lookingatearth/h2005_katrina.html   (5142 words)

  
 Weather satellite - Wikipedia, the free encyclopedia
A weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth.
Polar satellites are in sun-synchronous orbits, which means they are able to observe any place on Earth and will view every location twice each day with the same general lighting conditions due to the near-constant local solar time.
Visible-light images from weather satellites during local daylight hours are easy to interpret even by the average person; clouds, cloud systems such as fronts and tropical storms, lakes, forests, mountains, snow ice, fires, and pollution such as smoke, smog, dust and haze are readily apparent.
en.wikipedia.org /wiki/Weather_satellite   (1527 words)

  
 [No title]
Images are updated hourly at approximately 50 minutes past the hour.
Images are updated hourly at approximately 30 minutes past the hour.
Antarctic images updated every three hours at 30 past the hour, beginning at 0230 Eastern.
twister.sbs.ohio-state.edu /satellite.html   (85 words)

  
 MTSAT-1R Satellite Images
The animation sequence consists of past 24 satellite images taken at hourly intervals.
The time of the satellite image represents the time when satellite data are completely received at the ground reception system.
Usually, it will take half to one hour to process the satellite data, generate the satellite image and upload it to the website.
www.hko.gov.hk /wxinfo/intersat/satpic_s.shtml   (321 words)

  
 Current Satellite Photos   (Site not responding. Last check: 2007-10-08)
This image is sensitive to cloud temperature and therefore delineates the coldest highest clouds.
The first image is the latest GOES 10 Infrared View of the Pacific + West Coast.
The last image is a visible image view of the west coast + eastern pacific.
zebu.uoregon.edu /satellite.html   (114 words)

  
 » Free Satellite Photos, Images, & Pictures - WOW!
although they downsample the free satellite images to 16-meter resolution (here is a link to the image below which is catalog id=10100100025E4F05 - lat/long is 40.036°/-105.124°) since you need to ante up the big bucks to buy the the good satellite pictures as depicted in this satellite imagery of my house.
And when my halloween decorations were Slashdotted, someone sent me a keyhole satellite image of my house - this picture was almost certainly taken in the summer/2002 drought (more pictures at my watching grass grow page)...
Satellite mapping is becoming more prevelent these days along with free aerial photos and free aerial pictures - Google Maps has a really nice interface, but their image quality isn't that sharp...
www.komar.org /faq/satellite_photo   (483 words)

  
 Satellite Images of African Dust - Coral Mortality and African Dust
The two satellite images at right, acquired by NASA/Goddard Spaceflight Center's SeaWiFS Project and ORBIMAGE in February 2000, show one of the largest Saharan dust storms ever observed by SeaWiFS.
The NOAA satellite images below were taken in May and June 1999, and show African dust departing west Africa and arriving over the Caribbean, Central America, and South America.
Satellite image (June 1999) showing extension of dust cloud into the Atlantic.
coastal.er.usgs.gov /african_dust/satellite.html   (269 words)

  
 Google Debuts Satellite Images
But Google's integration of satellite images with maps is far slicker than the offering from Mapquest, with much more up to date imagery thanks to Google's acquisition of Keyhole in October 2004.
Satellite images are also available now when you do a search with Google Local.
Currently, satellite images are available for all major cities in the U.S. and Canada, and for many smaller towns as well.
searchenginewatch.com /showPage.html?page=3495111   (885 words)

  
 Hurricane Katrina NOAA Images
The images have 60% forward overlap, and sidelap unknown.
Image file size is between 2 MB and 3 MB.
Image names beginning with 243 were acquired Aug 30, 2005, those beginning with 244 were acquired Aug 31, and so on.
ngs.woc.noaa.gov /katrina   (216 words)

  
 AccuWeather.com - Enhanced Infrared Satellite Images
Satellite images are measurements of the Earth (some are "photos" in the classic sense) taken from high in space by governmental satellites, and used to show clouds and cloud movement.
The term "Infrared" means that the satellite is detecting the temperature of the clouds.
An issue with this type of satellite is that it is difficult to see the small differences in the temperature of the clouds near the edge of the scale, and turning grey to white is sometimes not visible enough to the naked eye.
wwwa.accuweather.com /maps-satellite.asp?...&fday=1&type=ei&large=1   (465 words)

  
 International Weather Satellite Images
I have links to satellite pictures at other sites that are well known around the weather community and links to those that are practically unknown.
Different images have different purposes, and some are easier to understand than others, but they all have important information about the world's weather.
Disclaimer: The images on these pages should not be used for making weather forecasts on which the protection of life, health, property, or anything else important depends.
dbaron.org /sat   (292 words)

  
 Met Office: World: Satellite imagery
View the latest satellite images by selecting a region from the map, or from the drop-down list below.
The above image is a tropical mercator composite of the entire globe taken using the infrared channel.
Because of this the transponders of the satellite are switched off to conserve battery power, so some images will not be available.
www.metoffice.gov.uk /weather/satellite   (96 words)

  
 Met Office: British Isles: Visible satellite imagery
The visible images record visible light from the sun reflected back to the satellite by cloud tops and land and sea surfaces.
They are better able to show low cloud than infrared images (low cloud is more reflective than the underlying land or sea surface).
Coast-lines and lines of latitude and longitude have been added to the images and they have been altered to polar stereographic projection.
www.metoffice.gov.uk /satpics/latest_uk_vis.html   (165 words)

  
 [No title]
Their low altitude of around 500 miles allows high resolution images while the near-polar orbit allows global coverage without the distortion over northern latitudes that geo-stationary satellites suffer from.
Geo-stationary satellites circle the earth in a geosynchronous orbit, which means they orbit at the same speed as the earth's rotation.
Since the satellite is centered over the equator, there is also significant distortion over northern latitudes.
pajk.arh.noaa.gov /sat.php   (204 words)

  
 EO Natural Hazards: Natural Hazards Main Page
The goal in sharing these images is to help people visualize where and when natural hazards occur, and to help mitigate their effects.
All images in this section are freely available to the public for re-use or re-publication (please use credits as indicated for each image).
More images can be found in our archive of older events.
earthobservatory.nasa.gov /NaturalHazards   (457 words)

  
 BUBL LINK: Internet resources by type
Colour satellite images of plankton blooms, chlorophyll concentrations, coral reefs, and hurricanes are available, as well as technical reports and a teacher's section.
Satellite images of archaeological features from around the world accompanied by a collection of software resources and a bibliography of works relating to the application of satellite remote sensing to archaeology.
The latest images are updated every half hour and a Java animation feature splices together the last four images to show a simulation over a two-hour period.
bubl.ac.uk /link/types/satellite.htm   (636 words)

  
 Zimbabwe satellite images - Amnesty International
Satellite image of Porta Farm, Zimbabwe, 22 June 2002
Satellite image of Porta Farm, Zimbabwe, 6 April 2006
Zimbabwe: Satellite images provide shocking evidence of the obliteration of a community
news.amnesty.org /pages/zwe-310506-news-eng   (118 words)

  
 Satellite pictures of my house - your information source.
If you're looking for satellite pictures of your house, business or other location, there are several useful sources you can try.
The russian spy satellite programme is now making some of its images available through sovinformsputnik.
Also spaceimaging and eurimage both have satellite images for sale, and a gallery of downloadable images.
www.orbitresearch.co.uk /docs/satellite_pictures.html   (190 words)

  
 Interactive Weather Satellite Imagery Viewers from NASA GHCC   (Site not responding. Last check: 2007-10-08)
Satellite imagery of Europe, Africa, the Middle East and Atlantic Ocean from METEOSAT-7.
GOES weather satellite imagery courtesy of the Global Hydrology and Climate Center at NASA Marshall Space Flight in Huntsville Alabama.
The global composite satellite maps are courtesy of the NCEP Aviation Weather Center in Kansas City Missouri.
www.ghcc.msfc.nasa.gov /GOES   (159 words)

  
 National Weather Service - Western Region Headquarters   (Site not responding. Last check: 2007-10-08)
For a 1 or 2 km city-centered image, select which type of image you would like and click on the map.
All images will open in a new window.
Here is a list of good weather satellite tutorials.
www.wrh.noaa.gov /satellite   (137 words)

  
 DigitalGlobe | Images For The Media
DigitalGlobe has teamed with Getty Images, a world leader in editorial image distribution, to make valuable newsworthy satellite images available to the media for print, broadcast and electronic publishing.
To receive email alerts letting you know when new images are available for purchase, Opt-In to our Image Alert Distribution List.
A few "free" QuickBird images are available for viewing purposes in the DigitalGlobe Sample Image Gallery.
www.digitalglobe.com /press/images_media.shtml   (126 words)

  
 Earth and Moon Viewer
Expert mode allows you additional control over the generation of the image.
In order to pan around the map or globe by clicking within the image, your browser must support "Client-Side Image Maps"--if you don't know what this means, don't worry: if your browser doesn't support the feature, you'll see a page which explains how to proceed.
Windows users can create images like this in real time, on their own machines, as well as view the sky, stars at the horizon, the solar system, orbits of asteroids and comets, and more with Home Planet, my public domain Earth/Space/Sky simulator available for your FTPing pleasure.
www.fourmilab.ch /earthview   (335 words)

  
 DSRS Geostationary Satellite Images
This is so that it can be moved to 63 degrees east viewing the Indian Ocean, to replace the ageing Meteosat-5.
All geostationary images can now be obtained from our Meteosat Second Generation service.
If you are looking for the "European Sector" images then please take a look at the "Channel 12 (north)" images from MSG.
www.sat.dundee.ac.uk /pdus.html   (99 words)

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