[TZGISUG] Fw: Landsat 8 launch, LandScan and GeoEye-DigitalGlobe Combination

Langen R. M. Mallya cutlan at yahoo.com
Fri Mar 1 10:18:06 EAT 2013



 
Yours,
Langen R. M. Mallya,
Chief Consultant,
(Geomatician, GIS Specialist, Programmer, Google Earth Trainer),
Member IST, TZGIS User Group, EIS, AAG & GISCorps Volunteer,
Cutlan Consultant,
P. O. Box 16967,
Arusha,
Tanzania.




Phone #: +255-78-444-5465
Fax #: +255-27-253-0246
e-mail: cutlan at yahoo.com





"In the end, we will remember not the words of our enemies, but the silence of our friends."

----- Forwarded Message -----
From: SATPALDA Geospatial Services <info at satpalda.com>
To: cutlan at yahoo.com 
Sent: Tuesday, February 26, 2013 4:06 PM
Subject: Landsat 8 launch, LandScan and GeoEye-DigitalGlobe Combination
 

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Issue : February 2013 V-1 
SATPALDA GeoMailer

Issue : January 2013 V-2 
In This Issue  
Landsat 8 Launch 
DigitalGlobe + GeoEye 
Introducing LandScan 
SATPALDA Geospatial Services

CP 2156, First Floor 
Sector 16A 
Vasundhara 
Ghaziabad-201012 
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Tel: +91-120-4135000, 4130542 Fax: +91-120-4130543
info at satpalda.com
     
What's New? 
SPOT 6 - Commercial start of Operations


DMC Constellation

Image of the Day  Landsat Data Continuity Mission Launched !

Earth Observation Legacy 
The latest in the series of Landsat satellites the LDCM, Landsat Data Continuity Mission was launched today from Vandenberg Air Force Base in California. This satellite continues the four decades old legacy of the Earth Observation from space.


The first Landsat satellite launched in 1972. The joint program between NASA and the U.S. Geological Survey is the longest-running data record of Earth observations from space. The latest launch continues that legacy. Landsat 8 will circle Earth about 14 times each day from 438 miles above our planet, beaming back images of Earth's landscape and polar regions. It will image the entire Earth every 16 days.

 Landsat 8 has the ability to capture a 185 km swath of Earth and is meant to provide a regional and national scale view of our planet with a full picture of the planet's surface every 16 days. Among the advancements are:
	1. up to 400 scenes collected per day, improving on the past 150-scene capacity
	2. a push-broom sensor to minimize moving parts and reduce failure points
	3. a new short-wave infrared band to help identify clouds
	4. a narrower pan-chromatic band to provide cleaner imagery at the 15m resolution
	5. new sensors to provide "ultra-blue" capacity to better study oceans and atmospheric aerosols
To learn more about the LDCM or Landsat 8 program please click here  
DigitalGlobe + GeoEye
What does the combination bring ?
 
The wealth of satellite assets and services of two great satellite companies, DigitalGlobe and GeoEye, are now available under the one brand, DigitalGlobe. 

As customers, the benefits to you from this merger now include: a larger satellite constellation capacity, strengthened infrastructure and expanded customer coverage; all possible given the vast experience and dedication of DigitalGlobe personnel. 
  
This $900 million buyout of rival GeoEye has made DigitalGlobe single largest company in Satellite imaging business. Both companies have been doing business for a long time. GeoEye was formed as a result of OrbImage acquired Space Imaging in 2007. Orbital Imaging Corporation or ORBIMAGE was founded in 1992 as a division of Orbital Sciences Corporation in the wake of the 1992 Land Remote Sensing Policy Act which permitted private companies to enter the satellite imaging business. 
Worldview Imaging Corporation(Later DigitalGlobe) was also founded in January 1992 in Oakland, California in anticipation of the 1992 Land Remote Sensing Policy Act.
  
   
This transaction will result in greater opportunities for the customer. By bringing together the imagery collection, processing and analytic capabilities of both companies, the combined company will be better able to serve your evolving needs. Customer will now have the opportunity to leverage the capacity of following robust constellation of sensors:
  
WorldView-2 (8 -band, 50cm)

GeoEye-1 (4-band, 50cm)

WorldView-1 (Panchromatic, 50cm)

QuickBird (4-band, 60cm)

Ikonos (4-band, 0.8m)  
 
GeoEye-2 and WorldView-3 are both currently under construction. Construction  will go on as planned, but DigitalGlobe will delay the launch of one. Pending input from the NGA and other customers, it expects to launch the first of the two in 2013 or 2014. It will preserve the other satellite as a ground spare until it is required as a replacement for WorldView-1.

Another massive advantage of DigitalGlobe and GeoEye merger is the gigantic archive of remote sensing data that both companies have accumulated over the years. This will be a boon to customer wanting to to change detection studies or environmental impact assessments over the years, and many more applications. 
 
Introducing LandScan
Mitigating Disasters 
Census data are generally collected assuming that people's home are their permanent residing place. Work related data such as location of office or business are either not collected or are considered too private to be released publicly. Many undeveloped nations have only rudimentary data at provincial level. So we we can ask a question: so what?

Consider, for example, an hypothetical case of major multi-lane highway passing through a uninhabited desert. If a hazardous release contaminates the surrounding area many lives would be at risk even though no one lives there. Most official census counts, if available, will show zero population count because they are primarily concerned with where people sleep at night. 
 
LandScan is global population distribution data having finest resolution available, it represents an ambient population (averaged over 24 hours). Landscan uses spatial data and imagery analysis and a multi-variable dasymetric modeling approach to dis-aggregate census counts within an administrative boundary. LandScan integrates daytime movements and collective travel habits into a single measure to produce a better representation of where people are located during an average day. With improvements added this year, high-resolution imagery sources were used extensively for validation to refine urban areas, land cover data, and thousands of smaller villages and populated places. 
 
 
Ruins from the 1906 San Francisco earthquake, remembered as one of the worst natural disasters in United States history. 
Image Credit: Wikimedia Commons 
 
 
 
LandScan Data preview of Cyprus 
 
 Applications of LandScan  
	* Allows quick and easy assessment, estimation, and visualization of population at risk.
	* Demographic (age, race, sex) and socioeconomic characteristics are integrated with population data to allow integration with risk and impact assessment models.
	* Critical component of Emergency planning and management, Rapid risk assessment, Evacuation planning, Consequence assessment, Mitigation Planning and implementation
 
SATPALDA is the authorized provider of LandScan dataset. Please contact us if you need any information about this product
 
  
About Us
SATPALDA is authorized reseller of GeoEye, SPOT, PASCO, Astrium and SpacEyes products. Geospatial services range from photogrammetry, remote sensing and mapping. SATPALDA specialises in generation of Digital Terrain Models, 3D city Models, Land-Use and Land-Cover Maps, Advanced image processing, Aerial Triangulation and many more services.
www.satpalda.com        
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