September 24, 2015

Facebook
Twitter
Google
Linkedin
---
Astronauts onboard the International Space Station
(ISS) captured this picture of light pollution emanating from the Italian city of Milan in 2015.

Changes in Light from Space

Astronauts on the International Space Station have studied the light emissions coming from older lights and newer LED lights and have found that LED lights actually make light pollution worse.

Read more.

---
What is at Zero Degrees Latitude and Zero Degrees Longitude?

What is at Zero Degrees Latitude and Zero Degrees Longitude?

What can be found at zero degrees latitude and zero degrees longitude?

Read more.

---
NASA's UAVSAR measured
cumulative vertical ground movement impacting the California Aqueduct near Huron and Kettleman City from July 2013 to March 2015. The colored overlay
shows areas where subsidence exceeded 7 inches (17.8 centimeters). UAVSAR pixel resolution is 20 by 20 feet (6 by 6 meters). Credits:
NASA/JPL-Caltech

California is Sinking Faster than Previously Thought

Researchers are tracking the changes in California’s geography from the effects of drought using a remote sensing system called interferometric synthetic aperture radar, or InSAR.

Read more.

---
Uber Residential Pick-Ups in New York
City Reflect Demographic Realities

Uber Residential Pick-Ups in New York City Reflect Demographic Realities

A report reveals that ridership rates for both Uber and cab companies in New York City are equally distributed geographically.

Read more.

---
Is this a ridge or a canyon? Relief inversion
plays tricks on the brain with this image of the Colorado River in Arizona. Photo: NASA

Relief Inversion

When looking at aerial and satellite imagery, telling the difference between a canyon and a mountain can sometimes be tricky due to an optical illusion known as relief inversion.  Most people have a subconscious interpretation of images based on the assumption that objects are illuminated from above.  We expect the light source to come from the upper left corner of …

Read more.

---

More from Geo Lounge

• This Hurricane Formed Farther East Than Any Other Since Satellites Began Tracking Hurricanes

• How Many Trees are There in the World?

• Recent Efforts to Map and Cleanup the Ocean Garbage Patches

• Mapping Algal Blooms in Lake Erie

• Map of the World Without Humans

---

Geo Book Pick: Great Maps

Great Maps takes a close look at the history of maps, from ancient maps such as medieval mappae mundi to Google Earth. Why do we put north at the top of maps? Which maps show us the way to Heaven, and which show the "land of no sunshine" or the land of "people with no bowels"? In Great Maps, author and historian Jerry Brotton tells the hidden story behind more than 60 of the most significant maps from around the world, picking out key features, stories, and techniques in rich visual detail to reveal the inner meaning buried within the landscape.

---

• Advanced Techniques for Measuring Human Behaviors in Urban Public Spaces

• Satellite Imagery Provides Insights to Global Questions and Changes the Data Landscape

• Registration Now Open for the Inaugural GISP Certification Exam

• How Government Organizations Are Using Location Intelligence to Drive Digital Engagement

• Drones and GIS: A Look at the Legal and Ethical Issues

• Spatial Law, Policy, and Geospatial Technologies: A Comprehensive Overview

• Spatial Law and Geospatial Applications

• Spatial Law and Geospatial Technologies

• Spatial Law and its Relevance to Geospatial Practitioners

• Extracting 3D GIS Data

» More from GIS Lounge

---



1200 Franklin Mall # 524
Santa Clara CA 95052
editor@geolounge.com