March 2, 2022

NCAR: Scientists Map Underwater Topography Of More Than 1.4 Million Lakes And Reservoirs Worldwide

NCAR: Scientists Map Underwater Topography Of More Than 1.4 Million Lakes And Reservoirs Worldwide. “Lakes and reservoirs have a profound influence on ecosystem functions, local streamflow levels, and the movement of water across landscapes. But water managers often are in the dark when it comes to subsurface topography, which affects the ecology, volume, temperature, and rate of evaporation of a waterbody, as well as inflows and outflows. Now a team of scientists has developed artificial intelligence techniques to create a publicly available dataset of the underwater topography, or bathymetry, of more than 1.4 million inland lakes and reservoirs around the world.”

New Resources 0
July 25, 2021

George III’s maps and views: 32,000 images released on Flickr Commons (British Library)

British Library: George III’s maps and views: 32,000 images released on Flickr Commons. “In October 2020 we released 17,000 images of maps and views from George III’s Topographical Collection on the images-sharing site Flickr Commons, which seems to have kept you busy. Well, from today, you can find an additional 32,000 images, comprising George III’s collection of atlases and albums of views, plans, diagrams, reports and surveys, produced between 1550 and 1820. These have been uploaded to Flickr with a Public Domain attribution for you to search, browse, download, reuse, study and enjoy.”

New Resources 0
September 20, 2020

Down to Earth: New database shows how large rivers form the basis of global borders

Down to Earth: New database shows how large rivers form the basis of global borders. “Rivers have historically provided humans with fresh water, fertile land and food and have, thus, formed the bedrock of several civilisations. A new database, however, quantified how rivers were used to divide land and form international, national and local borders. Rivers make up 23 per cent of international borders, 17 per cent of the world’s state and provincial borders and 12 per cent of all county-level local borders, according to the Global Subnational River-Borders database.” The dataset is available here.

New Resources 0
September 23, 2019

Daily Excelsior: ‘How climate affects shape of rivers decoded’

Daily Excelsior: ‘How climate affects shape of rivers decoded’. “The study, published in the journal Nature, looked at changes in the path one makes when walking from a river’s source to its mouth as the stream descends in elevation — a measure called the ‘river long profile.’ … For the first time, the researchers have produced a new database of global river long profiles (GLoPro) which includes 333,502 rivers across the globe within one climate category.”

New Resources 0
October 24, 2017

USGS: New Tool Allows Users to Explore Mountains Worldwide

USGS: New Tool Allows Users to Explore Mountains Worldwide. “A new tool that gives users the most detailed view yet of the world’s mountains is now available from the USGS. And it’s as close as your computer or cellphone. The Global Mountain Explorer can help a variety of users – from hikers planning their next adventure, to scientists, resource managers and policy makers seeking information that is often sparse in these prominent yet often understudied landscapes. Mountains occupy anywhere from 12 to 31 percent of the land surface of the Earth, but despite their importance, surprisingly few attempts have been made to scientifically define and map these regions worldwide with detail.”

New Resources 0
July 22, 2017

USGS: Historical Maps at Your Fingertips

USGS: Historical Maps at Your Fingertips. “TopoView 2.1 is a modern web application built on an open source mapping platform that is free of charge. The highly interactive service provides tools and procedures that allow users to easily find historic map scans from USGS’s Historical Topographic Map Collection and even compare those with modern day maps. The new version is full of improvements and advancements based on hundreds of user comments and suggestions.”

Tweaks & Updates 0
May 3, 2017

British Library: Picturing Places launched!

British Library: Picturing Places launched!. “This is the first the British Library has dedicated to its extensive visual materials, and as the national collection of topographical materials, we are hoping to transform, elevate and broaden perceptions of topography through it, the related Transforming Topography research project , and our cataloguing and digitisation of the King’s Topographical Collection.”

New Resources 0
October 13, 2016

Topographic World Map – With 2+ Petabytes of Data – Now Available to Researchers

Wow. An astounding new topographic map of the world is now available with imagery free to researchers. “A pair of satellites operating in tandem for five years have produced a depth map of the planet so exact you could theoretically zoom down to street level and tell an adult from a kid, or spot a breaking wave at Malibu. The immense database — some 2.6 petabytes — is available for free to researchers.”

New Resources 2
May 9, 2016

First Global Topographic Map of Mercury is Now Available

The first global topographic map of Mercury is now available. “The first topographic map of Mercury was released today by the U.S. Geological Survey, Arizona State University, Carnegie Institute of Washington, Johns Hopkins University Applied Physics Laboratory and NASA. This high-resolution map provides the first comprehensive view of Mercury’s entire surface, illustrating the planet’s craters, volcanoes and tectonic landforms.”

New Resources 0
February 15, 2016

New Tool for Stream and River Information in Iowa

Residents of Iowa have a new tool for getting information on the state’s streams and rivers. “The Iowa Water Quality Information System, or IWQIS (“eye-kwis”), is a web-based tool that offers access to real time water quality information including nutrient data, flow rates, and water temperatures for Iowa’s streams and rivers. IWQIS uses data from sensors deployed by IIHR—Hydroscience & Engineering at the University of Iowa and the United States Geological Survey along most streams and rivers in the state.”

New Resources 0

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