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Geospatial big data management tools, topics, and trends
Curated by Dahl Winters
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10 Open Source Remote Sensing Software Packages - GIS Geography

10 Open Source Remote Sensing Software Packages - GIS Geography | Big Data GIS | Scoop.it
There is an abundance of choice for open source remote sensing software. This list of 10 free applications describes what each one brings to the table.
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Favorite Maps of 2014 - Visualization Inspiration

Favorite Maps of 2014 - Visualization Inspiration | Big Data GIS | Scoop.it
Here are some of the maps we came across this year that captivated us with their brains, their beauty, and in many cases, both.
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Holiday Lights From Space: Satellite Sees Cities Brighten (Photos) - Space.com

Holiday Lights From Space: Satellite Sees Cities Brighten (Photos) - Space.com | Big Data GIS | Scoop.it
City lights across the United States blaze 20 to 50 percent more brightly in December than they do the rest of the year, and some cities in the Middle East brighten by more than 50 percent during the Muslim holy month of Ramadan, researchers said.
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Future of geo-spatial technology - Government 2020

Future of geo-spatial technology - Government 2020 | Big Data GIS | Scoop.it

Future of geo-spatial technology, Location becomes an integral dimension of data, allowing information patterns and decisions to be viewed through the lens of place.

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White House Launches Open Data Disaster Portal

White House Launches Open Data Disaster Portal | Big Data GIS | Scoop.it
RT @CntrClimSec: White House Launches Open Data Disaster Portal http://t.co/BUC03k0DGI via @EmergencyMgtMag
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How a Flying Laser Built a 3-D Map of a Massive Alaskan Forest | WIRED

How a Flying Laser Built a 3-D Map of a Massive Alaskan Forest | WIRED | Big Data GIS | Scoop.it
This summer, a team of scientists mapped carbon storage in a massive Alaskan forest using airborne sensors.
Dahl Winters's insight:

Every second = 150,000 laser beams and 75 camera frames

For five weeks = over 25 TB of data

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Cartography with complex survey data

Cartography with complex survey data | Big Data GIS | Scoop.it
Visualizing complex survey data is something of an art. If the data has been collected and aggregated to geographic units (say, counties or states), a choropleth is one option. But if the data aren't so neatly arranged, making visual sense often requires some form of smoothing to represent it on a map. R, of course, has a number of features and packages to help you, not least the survey package and the various mapping tools. Swmap (short for "survey-weighted maps") is a collection of R scripts t
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Crowdsourcing volunteers comb satellite photos for Malaysia Airlines jet

Crowdsourcing volunteers comb satellite photos for Malaysia Airlines jet | Big Data GIS | Scoop.it
You -- the person now reading this story -- can help solve the mystery of what happened to Malaysia Flight 370, which disappeared over the Gulf of Thailand.
Dahl Winters's insight:

An example of crowdsourcing through big data for a good cause.

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Pansharpening Satellite Imagery for Easier Tracing into OpenStreetMap

Pansharpening Satellite Imagery for Easier Tracing into OpenStreetMap | Big Data GIS | Scoop.it
GeoEye and the Humanitarian OpenStreetMap Team (HOT) are collaborating to trace new satellite imagery of Salajar Island, Indonesia, an under-mapped area in OpenStreetMap. This is part of HOT’s larger work...
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Nanocubes for Real-Time Exploration of Spatiotemporal Datasets

Nanocubes for Real-Time Exploration of Spatiotemporal Datasets | Big Data GIS | Scoop.it
How do you turn Big Data into fast, useful, and interesting visualizations? Using R and technology called Nanocubes. The visualizations are stunning and amazingly reactive. Almost as interesting as the technologies behind them.
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AllAnalytics - Census Map Visualizes Income, Education & More

AllAnalytics - Census Map Visualizes Income, Education & More | Big Data GIS | Scoop.it
Interactive maps from the Census Bureau let users drill down from state level to street level, exploring household income, age, education, and employment stats.
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New Detailed Maps Show Changes in Earth’s Forests - GIS Lounge

Deforestation, the clearing and removal of the Earth’s forests, has been one of the major environmental threats to the globe in the last several decades.
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DigitalGlobe Foresees Billion-dollar Business in Five Years - Space News

DigitalGlobe Foresees Billion-dollar Business in Five Years - Space News | Big Data GIS | Scoop.it

Geospatial imagery and services provider DigitalGlobe, which forecasts $635 million in revenue for 2013, expects to be a billion-dollar business in five years by increasing its share of its current $2 billion imagery market, establishing rights in the $10 billion market for geospatial information and tapping into the $30 billion market for information services.

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The First Ecological Land Units Map of the World

The First Ecological Land Units Map of the World | Big Data GIS | Scoop.it

The US Geological Survey (USGS) and Esri are pleased to announce the publication of the most detailed global ecological land units map in the world. This exciting new global data set provides a science platform for better understanding and accounting of the world’s resources.  Scientists, land managers, conservationists, developers, and the public will use this map to improve regional, national, and global resource management, planning, and decision making.

 


Via Kim Frye Housh
Dahl Winters's insight:

This dynamic online map is at 250 meter resolution and covers the globe.

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Geospatial Big Data - 5 billion square kilometers of imagery and information

Geospatial Big Data is a living digital inventory of the surface of our planet derived from over 5 billion square kilometers of current and historical imagery and information. This inventory...
Dahl Winters's insight:

Starring my coworker Shay Har-Noy in another excellent video describing exciting possibilities for geospatial big data.

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On the usefulness of non-linear indices for remote sensing image classification

On the usefulness of non-linear indices for remote sensing image classification | Big Data GIS | Scoop.it
Not long ago, after a presentation about satellite image time series classification for land cover map production, someone asked me about the real interest of using non-linear radiometric indices a...
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Empowering GIS with Big Data - GIS Lounge

Empowering GIS with Big Data - GIS Lounge | Big Data GIS | Scoop.it
Analysis of Big Data in a geographic context has empowered organizations and businesses faced with huge amount of data and diverse technologies. The integration of maps with multiple layers of information tells the full story behind the data.
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The Huge, Unseen Operation Behind the Accuracy of Google Maps | WIRED

The Huge, Unseen Operation Behind the Accuracy of Google Maps | WIRED | Big Data GIS | Scoop.it
The Google Maps team refines their maps and keeps them up to date with a combination of computer vision algorithms and meticulous manual labor
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Envisioning a River of Air

Envisioning a River of Air | Big Data GIS | Scoop.it
Prediction: If you spend a little time on these sites, you will start looking at weather forecasts in an entirely different way.
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ASU spatial analysis tool passes 100K users milestone

ASU spatial analysis tool passes 100K users milestone | Big Data GIS | Scoop.it

GeoDa is a free, open source, cross-platform software program that introduces spatial data analysis.

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Google Launches Maps Gallery To Make Public Data Maps More Discoverable

Google Launches Maps Gallery To Make Public Data Maps More Discoverable | Big Data GIS | Scoop.it
The maps Google is currently highlighting in the Gallery range from land use zoning in San Jose and a U.S. Civil War Map from the National Geographic Society to National Parks maps and data about fast food chains in the ...
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Marc Older's curator insight, March 3, 11:52 AM

Get your important mapped information out to the public, if you wish.  

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Apache Spark, Spatial Functions and ArcGIS for Desktop

Apache Spark, Spatial Functions and ArcGIS for Desktop | Big Data GIS | Scoop.it
A while back I watched with great fascination a webinar presented by UC Berkley amp lab on Spark and Shark. I wanted to spatially enable spark and has been on my todo list for a while.
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Exodusoversea's curator insight, February 5, 12:58 AM

We are among top study abroad overseas education consultants in delhi

http://exodusoverseas.com/our-team.php

Exodusoversea's curator insight, February 5, 12:59 AM

We are among top study abroad overseas education consultants in delhi

http://exodusoverseas.com/our-team.php

Dr. Vijay Srinivas A's curator insight, June 9, 7:04 AM

Interesting angle to enhancing Spark, with spatial queries. 

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The Twelve Days of (Geospatial) Christmas | Digital Coast

The Twelve Days of (Geospatial) Christmas | Digital Coast | Big Data GIS | Scoop.it

On the twelfth day of Christmas my geospatial techy gave to me:

Twelve decision support tools

Eleven ground control points

Ten lidar point clouds

Nine Landsat satellites

Eight bands of worldview

Seven spectral clusters

Six contour intervals

Five images with low RMSE

Four tidal datums

Three color bands

Two standard deviations

And a map derived through photogrammetry

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The Most Innovative Maps of 2013

The Most Innovative Maps of 2013 | Big Data GIS | Scoop.it
Our favorite maps this year impressed us for both what they illustrated and how they did it.
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Miguel Ángel Vargas's curator insight, December 27, 2013 8:29 PM

Recomanable recopilació dels mapes que hem pogut visualitzar i navegar al llarg del 2013, tant per la informació que mostren com per la manera com ho han fet.

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Boundless unveils Geospatial software stack, OpenGeo Suite 4.0

Boundless unveils Geospatial software stack, OpenGeo Suite 4.0 | Big Data GIS | Scoop.it

Boundless, formerly OpenGeo, has released version 4.0 of OpenGeo Suite. This release brings new features and improvements, including component upgrades to PostGIS 2.1, GeoServer 2.4, GeoWebCache 1.5 and support for OpenLayers 3 and QGIS.

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