Putting Google Earth Engine on the map at UC San Diego

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Google maps on a laptop

Ran Goldblatt brings to GPS more than just his expertise as a geographer and GIS analyst but also a determination to equip students with the latest tools of the trade

By Sarah Pfledderer | GPS News

Ran Goldblatt

At the mere age of 15, Ran Goldblatt was making a testament to his love of maps. He stood by the fax machine two times a day.

“We didn’t have Internet yet, so I used to get faxes from an institution in Israel with synoptic maps twice a day,” he recalled. “I loved analyzing these maps and creating my own weather forecasts as a child.”

Needless to say, a career in geography was immanent, including the three degrees—a B.A., M.A., and Ph.D.—that came with it.

Now, as a postdoctoral researcher at the UC San Diego School of Global Policy and Strategy (GPS), he’s no longer waiting for the murmurs of a fax to delve into his trade, but he integrates different spatial analysis techniques with advanced visualization methods to examine physical aspects of the world and data on larger scales.

One of his most favored tools is Google Earth Engine, which on Feb. 24 he’ll be introducing to the university beyond just the Advanced Geographical Information System (GIS) Spatial Analysis course he teaches winter quarter at GPS. Free for scientists, researchers and developers, Google Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, combining a vast catalog of satellite imagery and geospatial data with planetary-scale analysis capabilities.

As part of Goldblatt’s course, and with the support of GPS’s Center on Global Transformation, Goldblatt is welcoming Nick Clinton, developer advocate on the Google Earth Engine team, on Feb. 24 for a talk on “Geospatial Big Data: Using Google Earth Engine for Data Science and Analysis.”

The event is made possible in part through Goldblatt’s connections to the Google Earth Engine team, which he met at a conference last summer upon receiving a crash course in the platform.

“I was amazed, literally amazed with what you can do with it,” he said. “You can really understand your world in scale. When I started planning my course at GPS, I knew I needed to teach Google Earth Engine. I had the idea, ‘why not bring people from Google to give a talk here to introduce this platform?’”

Clinton will detail research applications with Google Earth Engine and how it is being used in universities around the globe—Goldblatt said he hopes this also will lead to possibilities for collaborations.

The event is sponsored by UC San Diego’s Big Pixel Initiative, as well, which Goldblatt became affiliated with during his time as a research associate and a research fellow at the UC San Diego’s Center on Global Justice and Blum Cross-Border Initiative, and where much of his research is done now

To that end, while he may be a new face to the GPS student he teaches Mondays and Wednesday this winter quarter, Goldblatt has been at the university for roughly two years.

Now, working under Professor Gordon Hanson and teaching for the first time in the U.S., he finds himself in an environment rich of researchers whom he can lend his GIS savviness to as it relates to policymaking and urban planning, among other areas. It’s an expertise he’s honed through his research on Arab-Jewish cities in Israel as a Ph.D. candidate at Tel-Aviv University and working for many years as a GIS analyst at the Society of the Protection of Nature in Israel.

“I’m very proud and happy to be here,” Goldblatt said. “This is what I’ve wanted to do. I feel I’m investigating important questions. I love the people here. That’s the truth.”

With Hanson, for instance, Goldblatt is researching the relationship between industrial development and urbanization in India.

“In order to understand this relationship, we need to know the extent cities grow each year,” he explained. “Traditionally when researchers analyze data, they download all the information. For example, they search for images or vector layers and download them all on their computer. But when you want to understand large-scale phenomenon in cities and countries, you need much stronger and parallel computer platforms to run your analysis.”

Which is where Google Earth Engine comes in hand, Goldblatt said, noting on his computer it can take days to probe urbanization processes in a small city in India. But with Google Earth Engine, he can analyze the entire country in 30 minutes.

“We have access to all the images around the world in very high resolutions,” he said. “The sky is the limit, literally, with what you can do.”

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