3D Elevation Program for high-quality elevation data – Earth

3D Elevation Program – Earthtopomaps

To respond to growing needs for high quality elevation data. The goal of 3DEP is to complete acquisition of nationwide lidar to provide the first-ever national baseline of consistent high resolution topographic elevation data both bare earth and 3D point clouds.

All 3DEP products are available free of charge and without use restrictions.

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3DEP Broad Agency Announcement.

3D Elevation Program

News link

JUNE 21, 2022

APRIL 11, 2022.

3DEP Lidar Base Spec News.

APRIL 7, 2022

Lidar Base Specification 2022 rev. A is now available!.

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B) 3D Elevation Program – Earthtopomaps

Publications

JANUARY 22, 2022.

The 3D Elevation Program

has created partnership opportunities to increase the collection of high resolution elevation data across the United States. Eventually leading to complete coverage of high resolution. Three dimensional (3D) information from light detection. And ranging (lidar) data across the entire country (interferometric synthetic aperture radar in Alaska). While 3DEP data are co

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NOVEMBER 16, 2021.

C) 3D Elevation Program

supports broadband internet access

According to the Federal Communications Commission, millions of Americans in rural parts of the country currently lack access to broadband (high-speed. Always-on internet). Federal and State agencies have launched initiatives to enhance broadband access in rural America. High-resolution light detection and ranging (lidar) data can play a role in improving maps of broadband accessibility and helpin.

3D Elevation Program for high-quality elevation data
3D Elevation Program for high-quality elevation data

APRIL 5, 2021

D) 3D Elevation Program

Federal best practices

3D Elevation Program

The goal of the (3DEP) is to complete nationwide data acquisition in 8 years. By 2023. To provide the first-ever national baseline of consistent highr esolution three-dimensional data including bare earth elevations and three dimensional point clouds collected in a timeframe of less than a decade. Successful implementation of 3DEP depends on partnerships. And the development an

3D Elevation Program

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Z) 3D Elevation Program

These changes are in part because of climate change amplifying environmental disturbances.
Historically, it’s been difficult to access detailed, up-to-date land cover data which documents how much of a region is covered with different land and water types such as wetlands. Google Earth a more detailed understanding of earth’s land than ever before.
( Google Earth Pro ): So current datasets might classify a satellite image of a city as ‘built-up,’. But visit any city and you’ll see our world is far more dynamic. While you might see lots of buildings. You’ll also see trees or even snow on the ground from a recent storm.
Manage and restore land and monitor the effectiveness of those plans using alert systems to notify when unforeseen land changes are taking place.
Not only is our world more dynamic than individual land types it’s also constantly changing.
This means that not only is the land cover information in Dynamic World more detailed. But it’s also more timely within any given day. Week or month than existing datasets. This level of detail allows scientists and policymakers to detect and quantify the extent of recent events anywhere on the globe such as snowstorms, wildfires or volcanic eruptions within days.

For example a map that analyzes crop harvests between particular dates.

Dynamic World is also useful for understanding longer-term trends of seasonal ecosystem change. As seen in the Okavango Delta. An area that attracts thirsty wildlife when it floods in July and August and then dries from September to October.
Whether it’s forests in the Amazon, agriculture in Asia, urban development in Europe or seasonal water resources in North America. With this information, people like scientists and policymakers can monitor and understand land and ecosystems so they can make more accurate predictions and effective plans to protect our planet in the future.

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Revised October 2, 2023