Images

The Aorounga Crater located in Chad, Africa is a large impact crater that appears as a circular depression surrounded by a raised rim, as seen in this Landsat 9 image. The crater is surrounded by a vast expanse of desert and is known for its unique rock ridges, known as yardangs.

Landsat 7 captured this natural color image of Australia’s Great Barrier Reef on July 24, 2002, using the red, green, and blue bands. The scene (Path 91 Row 75) reveals the reef’s intricate coral formations and the swirling patterns of sediment and currents in the Coral Sea.

Landsat Updates are prepared periodically and distributed electronically to provide information about Landsat activities and related topics of interest. Read this issue here.

Example of the Landsat Collection 2 Provisional Evapotranspiration science product for agricultural fields on the Fucino plain near San Benedetto dei Marsi, Italy. Left: Landsat 9 Collection 2 Natural Color Surface Reflectance Image. Right: Landsat 9 Collection 2 Actual Evapotranspiration Image.

The Landsat Archive Dashboard allows users to understand the temporal and spatial distribution of the 10 million plus Landsat scenes available through the USGS. Users can use the interactive maps to view the distribution of Landsat Collection 2 data by Path/Row. There are three Landsat archive maps: Landsat 4 – 9 daytime, Landsat 4 – 9 nighttime, and Landsat 1 – 3.

Examples of different radiometric resolutions over Chicago, Illinois. The left image is 16-bit radiometric resolution (65,536 discrete shades of grey), the center image is an 8-bit radiometric resolution (256 discrete shades of grey), the right image is 4-bit radiometric resolution (16 discrete shades of grey).

This Landsat 9 image, showing the Dallas - Fort Worth area of Texas, was acquired on July 15, 2022. This false-color image vegetated land in shades of red, whereas grays and whites indicate urban or rocky surfaces.

Landsat 9 image over Svalbard, Norway. Acquired on July 8, 2022, Path 26 Row 240. For more information on Landsat data, visit the Landsat Mission Website.

Natural Color Landsat 8 image of the Great Salt Lake, acquired on July 3, 2022. On July 3, the level of Great Salt Lake dropped below the October 2021 historic low elevation.

In Alaska, the Sagavanirktok River flows North to empty in Beaufort Sea near Prudhoe Bay. Landsat 9 captured this false color image on July 1, 2022, using Bands 6|5|4.

Two Earth-observing satellites turned to watch a lunar eclipse, revealing dramatic and uneven temperature changes across our closest celestial neighbor.

NASA Earth Image of the Day for July 5, 2022

Instruments:
Landsat 8 — TIRS
Landsat 9 — TIRS-2
Photograph

Over the course of the four-hour eclipse, the TIRS sensors observed the intensity of infrared light radiating from the Moon’s surface. From those radiances, scientists calculated the temperatures required to generate them. This “brightness temperature” of the lunar surface changed as Earth’s shadow marched across the lunar landscape.

Using Google Earth Engine and Landsat, this team created a rapid and robust tool for mapping historical flood inundation areas. This enhances existing efforts towards flood mitigation, monitoring, and management.

Landsat 9 image acquired on June 27, 2022 (Path 198 Row 11) over Norway. For more information on Landsat data, visit the Landsat Mission Website.

This screenshot shows what the Landsat Collections interactive looks like. This storymap collection combines all of the individual satellite storymaps into one location.

Landsat 9 launched into space on September 27th, 2021. The "first light" images arrived on October 31st. On that day the satellite captured: algal blooms in Lake Erie, the glaciers of the Himalayas, bush fires in Australia's Eucalypt Woodlands, coastal communities on the Florida panhandle, and deserts, mountains and mesas across the Navajo Nation.

Landsat 8 thermal infrared (Band 10) image near Ogallala, Nebraska, showing fields with center pivot irrigation. The Thermal Infrared Sensor (TIRS) on Landsat 8-9 measures energy radiated by the earth of the surface with two spectral bands that can be used to derive surface temperature.

The image was acquired on August 17, 2021 from Path 31 Row 32.

An optimal opportunity for in-flight cross-calibration occurred when Landsat 9 flew underneath Landsat 8 while moving into its final orbit. Since the two satellites nearly identical imaging systems, the underfly event offered ideal cross-calibration conditions.

In this June 2022 issue read highlights from an international partner meeting, explore published Landsat articles, and dive into new interactive tools. Find the newsletter here: https://www.usgs.gov/latest-landsat-newsletter/latest-landsat-newslette…

Attendees of the Landsat Ground Station Operators Working Group (LGSOWG) #50 meeting. The meeting was held in Pretoria, South Africa during the first week of May, 2022.

For more information on the Landsat International Cooperator Network, visit https://landsat.usgs.gov/igs-network/