The Aerial Imaging and Mapping group (AIM), at the U.S. Geological Survey Woods (USGS) Hole Coastal and Marine Science Center provides UAS services to scientists to advance the science mission of the Coastal and Marine Geology Program. Scientists at the Woods Hole Coastal and Marine Science Center have been using UASs to acquire imagery of coastal and wetland environments, which is then used to produce detailed topographic and visual reflectance datasets. UAS technology is used to support the work of geologists, engineers, physical scientists, geographers, and geochemists who study coastal erosion, sediment transport and storm response, habitat classification, biomass mapping, and marsh stability.
Science Applications
Unmanned aerial system (UAS) technology provides a rapid and low-cost solution for mapping coastal environments and assessing short- and long-term changes. The interdisciplinary nature of the data collected and the breadth of applications makes UAS technology applicable to multiple scientific investigations.
One of the primary science applications for UASs is mapping. Drones can make accurate maps by combining images, which can be interpolated into three-dimensional imagery with software that utilizes photogrammetric techniques to form orthomosaics and digital surface models. Using control points on the ground, these maps can be produced with horizontal resolutions of 5 to 10 centimeters (cm) and vertical precision within 8 cm, precision is measured compared with independent measurements from global navigation satellite system equipment with real-time kinematic positioning (RTK). The maps created with drone-acquired imagery are comparable in quality with images from light detection and ranging (lidar) surveys with color processing but can be produced at a fraction of the cost.
UAS map products can be used to meet many science objectives, including to quantify geomorphic changes in coastal landscapes, classify landcover and geomorphic features in wetland and riparian landscapes, and assess habitat suitability. UASs can be equipped with multispectral cameras (cameras that capture images within specific ranges across the electromagnetic spectrum) and can be used to classify vegetation or identify invasive species. Other potential applications for UASs include inferring nearshore bathymetry from drone imagery of waves, measuring shallow bathymetry in streams and estuaries, measuring stream or inlet flow using image processing methods or UAS-mounted radar, and making thermal measurements to identify groundwater discharges.
UAS Capabilities
The AIM group at the Woods Hole Coastal and Marine Science Center currently [2018] has five UAS pilots who are certified in accordance with U.S. Department of the Interior (DOI) policies. The center currently has three 3DR Solo quadcopter drones, and a Birds Eye View FireFly6 Pro fixed-wing UAS. Both UASs can be mounted with a Pentax Ricoh GRII natural-color, high-resolution, global shutter camera, a MicaSense Rededge3 multispectral wavelength camera, or a GoPro Hero 4 compact camera. Trimble Spectra Precision SP80 Global Navigation Satellite System receivers are used to precisely geolocate control points at survey areas. Images from drone flights are processed with Agisoft Photoscan software, and Pix4D processing software.
With this equipment, the AIM group can survey a study area of approximately 0.5 to 1 square kilometer (160 acres) per day. Each multiplatform survey requires approximately five people to perform the survey efficiently, including two pilots, two survey crew, and a visual observer and data recorder.
The USGS Woods Hole Coastal and Marine Science Center maintains an ongoing collaboration with scientists and UAS technicians at the USGS National Unmanned Aircraft Systems Project in Denver, Colorado; other institutions, including the Woods Hole Oceanographic Institution; and local UAS operators and contractors. Woods Hole pilots have assisted DOI’s Office of Aviation Services (OAS) in monitoring natural hazard emergencies and have been instructors for OAS-sponsored training classes. This networking and collaboration helps the AIM group remain current in a rapidly evolving technological field.
Data releases associated with the Aerial Imaging and Mapping group.
Aerial Imagery of the North Carolina Coast: 2019-09-08 to 2019-09-13, Post-Hurricane Dorian
Aerial Imagery collected during unoccupied aircraft systems (UAS) operations in Massachusetts and Maine between March 2018 - September 2018
Aerial imagery and photogrammetric products from unmanned aerial systems (UAS) flights over the Lake Ontario shoreline at Chimney Bluffs, New York, July 14, 2017
Geotagged Low-Altitude Aerial Imagery From Unmanned Aerial System Flights Over Town Neck Beach, in Sandwich, Massachusetts, With Associated Ground Control Points, and Transects Collected by the U.S. Geological Survey on January 22, January 25, February 11
Aerial imagery from unmanned aerial systems (UAS) flights: Plum Island Estuary and Parker River NWR (PIEPR), February 27th, 2018
Geotagged Low-Altitude Aerial Imagery from Unmanned Aerial Systems Flights over Town Neck Beach in Sandwich, Massachusetts, With Associated Ground Control Points, and Transects, Collected on January 9, January 25, February 14, March 16, April 28, May 4, a
Point cloud from low-altitude aerial imagery from unmanned aerial system (UAS) flights over Coast Guard Beach, Nauset Spit, Nauset Inlet, and Nauset Marsh, Cape Cod National Seashore, Eastham, Massachusetts on 1 March 2016 (LAZ file)
Low-altitude aerial imagery and related field observations associated with unmanned aerial systems (UAS) flights over Coast Guard Beach, Nauset Spit, Nauset Inlet, and Nauset Marsh, Cape Cod National Seashore, Eastham, Massachusetts on 1 March 2016
Publications associated with the Aerial Imaging and Mapping group
Unmanned aerial systems capabilities of the U.S. Geological Survey Woods Hole Coastal and Marine Science Center
Processing coastal imagery with Agisoft Metashape Professional Edition, version 1.6—Structure from motion workflow documentation
IntroductionStructure from motion (SFM) has become an integral technique in coastal change assessment; the U.S. Geological Survey (USGS) used Agisoft Metashape Professional Edition photogrammetry software to develop a workflow that processes coastline aerial imagery collected in response to storms since Hurricane Florence in 2018. This report details step-by-step instructions to create three-dimen
FAQ associated with the Aerial Imagine and Mapping group
Does the USGS need flight approval to operate uncrewed aircraft systems?
Yes, approval is required for operating uncrewed aircraft systems (UAS). The USGS receives flight approval from the Federal Aviation Administration prior to every UAS mission. The official document is referred to as a Certificate of Authorization and Waiver. It is the approval process by which the Federal Aviation Administration allows for public agencies to operate UAS in the National Airspace...
What training do pilots of USGS uncrewed aircraft systems receive?
Training for USGS uncrewed aircraft system (UAS) operators is provided by the Department of the Interior Office of Aviation Services. The training has been approved by the Federal Aviation Administration and is specific to the types of UAS that the department operates. The training provides operators with the skills and knowledge necessary to operate a small UAS in the National Airspace System.
What does the USGS do with the information, pictures, and video collected by uncrewed aircraft systems?
All data collected by USGS uncrewed aircraft systems are processed and used in support of mission-specific research objectives. The vast majority of the resource management and scientific data will be archived for long-term use and placed in the public domain. Learn more: National Uncrewed Systems Office
What restrictions are in place to protect citizens' civil liberties and privacy concerns related to uncrewed aircraft systems?
The USGS is a bureau within the Department of the Interior (DOI), which requires the following actions related to privacy: Operating uncrewed aircraft systems (UAS) primarily over DOI lands. Obtaining written permission from landowners when UAS operations need to launch and/or land on their property. Following standard Federal Aviation Administration (FAA) and DOI-approved procedures for aircraft...
What types of uncrewed aircraft systems does the USGS use?
The Department of the Interior and USGS uncrewed aircraft systems (UAS) operational strategy emphasizes small systems with a combined aircraft and payload weight of less than 55 pounds. These small UAS are designed to support short (90 minute) missions and operate on rechargeable batteries or gasoline. This strategy recognizes that any given small UAS model will have a limited life span based on...
Why does the USGS use uncrewed aircraft systems?
Uncrewed aircraft systems (UAS) provide an affordable solution when the USGS needs "eyes in the sky" but doesn’t have the budget to maintain a fleet of aircraft or to obtain commercial imagery. The USGS relies on a variety of remotely sensed data. UAS can provide a range of remote sensing data types, from aerial images to hyperspectral or Synthetic Aperture Radar (SAR) data at resolutions down to...
How does the USGS use uncrewed aircraft systems?
The USGS National Uncrewed Systems Office (UAS) and the Office of Aviation Services are leading the development and testing of UAS scientific and resource management technology across the Department of the Interior in coordination with the other bureaus. Department of the Interior UAS capabilities support a range of activities including scientific research, monitoring environmental conditions...
- Overview
The Aerial Imaging and Mapping group (AIM), at the U.S. Geological Survey Woods (USGS) Hole Coastal and Marine Science Center provides UAS services to scientists to advance the science mission of the Coastal and Marine Geology Program. Scientists at the Woods Hole Coastal and Marine Science Center have been using UASs to acquire imagery of coastal and wetland environments, which is then used to produce detailed topographic and visual reflectance datasets. UAS technology is used to support the work of geologists, engineers, physical scientists, geographers, and geochemists who study coastal erosion, sediment transport and storm response, habitat classification, biomass mapping, and marsh stability.
Science Applications
Unmanned aerial system (UAS) technology provides a rapid and low-cost solution for mapping coastal environments and assessing short- and long-term changes. The interdisciplinary nature of the data collected and the breadth of applications makes UAS technology applicable to multiple scientific investigations.
One of the primary science applications for UASs is mapping. Drones can make accurate maps by combining images, which can be interpolated into three-dimensional imagery with software that utilizes photogrammetric techniques to form orthomosaics and digital surface models. Using control points on the ground, these maps can be produced with horizontal resolutions of 5 to 10 centimeters (cm) and vertical precision within 8 cm, precision is measured compared with independent measurements from global navigation satellite system equipment with real-time kinematic positioning (RTK). The maps created with drone-acquired imagery are comparable in quality with images from light detection and ranging (lidar) surveys with color processing but can be produced at a fraction of the cost.
UAS map products can be used to meet many science objectives, including to quantify geomorphic changes in coastal landscapes, classify landcover and geomorphic features in wetland and riparian landscapes, and assess habitat suitability. UASs can be equipped with multispectral cameras (cameras that capture images within specific ranges across the electromagnetic spectrum) and can be used to classify vegetation or identify invasive species. Other potential applications for UASs include inferring nearshore bathymetry from drone imagery of waves, measuring shallow bathymetry in streams and estuaries, measuring stream or inlet flow using image processing methods or UAS-mounted radar, and making thermal measurements to identify groundwater discharges.
UAS Capabilities
The AIM group at the Woods Hole Coastal and Marine Science Center currently [2018] has five UAS pilots who are certified in accordance with U.S. Department of the Interior (DOI) policies. The center currently has three 3DR Solo quadcopter drones, and a Birds Eye View FireFly6 Pro fixed-wing UAS. Both UASs can be mounted with a Pentax Ricoh GRII natural-color, high-resolution, global shutter camera, a MicaSense Rededge3 multispectral wavelength camera, or a GoPro Hero 4 compact camera. Trimble Spectra Precision SP80 Global Navigation Satellite System receivers are used to precisely geolocate control points at survey areas. Images from drone flights are processed with Agisoft Photoscan software, and Pix4D processing software.
With this equipment, the AIM group can survey a study area of approximately 0.5 to 1 square kilometer (160 acres) per day. Each multiplatform survey requires approximately five people to perform the survey efficiently, including two pilots, two survey crew, and a visual observer and data recorder.
2018 Woods Hole, MA Science Stroll USGS drone demonstration The USGS Woods Hole Coastal and Marine Science Center maintains an ongoing collaboration with scientists and UAS technicians at the USGS National Unmanned Aircraft Systems Project in Denver, Colorado; other institutions, including the Woods Hole Oceanographic Institution; and local UAS operators and contractors. Woods Hole pilots have assisted DOI’s Office of Aviation Services (OAS) in monitoring natural hazard emergencies and have been instructors for OAS-sponsored training classes. This networking and collaboration helps the AIM group remain current in a rapidly evolving technological field.
Woods Hole Coastal and Marine Science Center's Aerial Imaging and Mapping rock stars preparing to fly Unmanned Aerial Systems (UAS) mission while a river of lava flows in the background - Data
Data releases associated with the Aerial Imaging and Mapping group.
Aerial Imagery of the North Carolina Coast: 2019-09-08 to 2019-09-13, Post-Hurricane Dorian
The U.S. Geological Survey (USGS) Remote Sensing Coastal Change (RSCC) project collects aerial imagery along coastal swaths, in response to storm events, with optimized endlap/sidelap and precise position information to create high-resolution orthomosaics, three dimensional (3D) point clouds, and digital elevation/surface models (DEMs/DSMs) using Structure-from-Motion (SfM) photogrammetry methods.Aerial Imagery collected during unoccupied aircraft systems (UAS) operations in Massachusetts and Maine between March 2018 - September 2018
Low-altitude (80 and 100 meters above ground level) digital images were collected at Sage Lot Pond in Waquoit, Massachusetts, two sites on the Mill River in Taunton, MA, Great Marsh in Barnstable, MA, the Wells National Estuarine Research Reserve in Wells, ME, and on the Woods Hole Oceanographic Institution Quissett Campus in Woods Hole, MA using 3DR Solo unoccupied aircraft systems (UAS) during 2Aerial imagery and photogrammetric products from unmanned aerial systems (UAS) flights over the Lake Ontario shoreline at Chimney Bluffs, New York, July 14, 2017
Low-altitude (80-100 meters above ground level) digital images were obtained from a camera mounted on a 3DR Solo quadcopter, a small unmanned aerial system (UAS), in three locations along the Lake Ontario shoreline in New York during July 2017. These data were collected to document and monitor effects of high lake levels, including shoreline erosion, inundation, and property damage in the vicinityGeotagged Low-Altitude Aerial Imagery From Unmanned Aerial System Flights Over Town Neck Beach, in Sandwich, Massachusetts, With Associated Ground Control Points, and Transects Collected by the U.S. Geological Survey on January 22, January 25, February 11
Low-altitude (30-120 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained with a series of cameras mounted on small unmanned aerial systems (UAS, also known as a drone). Imagery was collected at close to low tide on five days to observe changes in beach and dune morphology. The images were geolocated by using the single-frequency geographic positioAerial imagery from unmanned aerial systems (UAS) flights: Plum Island Estuary and Parker River NWR (PIEPR), February 27th, 2018
Low-altitude (80 and 100 meters above ground level) digital images were taken over an area of the Plum Island Estuary and Parker River National Wildlife Refuge in Massachusetts using 3DR Solo unmanned aerial systems (UAS) on February 27, 2018. These images were collected as part of an effort to document marsh stability over time and quantify sediment movement using UAS technology. Each UAS was equGeotagged Low-Altitude Aerial Imagery from Unmanned Aerial Systems Flights over Town Neck Beach in Sandwich, Massachusetts, With Associated Ground Control Points, and Transects, Collected on January 9, January 25, February 14, March 16, April 28, May 4, a
Low-altitude (80-100 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained from a camera mounted on a small unmanned aerial system (UAS; also known as a drone). Imagery was collected at close to low tide on seven days bracketing coastal ocean storms to observe changes in beach and dune morphology. The images were geolocated by using the single-frequPoint cloud from low-altitude aerial imagery from unmanned aerial system (UAS) flights over Coast Guard Beach, Nauset Spit, Nauset Inlet, and Nauset Marsh, Cape Cod National Seashore, Eastham, Massachusetts on 1 March 2016 (LAZ file)
This point cloud was derived from low-altitude aerial images collected from an unmanned aerial system (UAS) flown in the Cape Cod National Seashore on 1 March, 2016. The objective of the project was to evaluate the quality and cost of mapping from UAS images. The point cloud contains 434,098,030 unclassifed and unedited geolocated points. The points have horizontal coordinates in NAD83(2011) UTM ZLow-altitude aerial imagery and related field observations associated with unmanned aerial systems (UAS) flights over Coast Guard Beach, Nauset Spit, Nauset Inlet, and Nauset Marsh, Cape Cod National Seashore, Eastham, Massachusetts on 1 March 2016
Low-altitude (approximately 120 meters above ground level) digital images were obtained from cameras mounted in a fixed-wing unmanned aerial system (UAS) flown from the lawn adjacent to the Coast Guard Beach parking lot on 1 March, 2016. The UAS was a Skywalker X8 operated by Raptor Maps, Inc., contractors to the U.S. Geological Survey (USGS). Two consecutive UAS missions were flown, each with two - Multimedia
- Publications
Publications associated with the Aerial Imaging and Mapping group
Unmanned aerial systems capabilities of the U.S. Geological Survey Woods Hole Coastal and Marine Science Center
Unmanned aerial system (UAS) technology provides a rapid and low-cost solution for mapping coastal environments and assessing short- and long-term changes. The interdisciplinary nature of the data collected and the breadth of applications make UAS technology applicable to multiple scientific investigations. The Aerial Imaging and Mapping (AIM) group at the U.S. Geological Survey (USGS) Woods HoleAuthorsSandra Brosnahan, Christopher R. SherwoodProcessing coastal imagery with Agisoft Metashape Professional Edition, version 1.6—Structure from motion workflow documentation
IntroductionStructure from motion (SFM) has become an integral technique in coastal change assessment; the U.S. Geological Survey (USGS) used Agisoft Metashape Professional Edition photogrammetry software to develop a workflow that processes coastline aerial imagery collected in response to storms since Hurricane Florence in 2018. This report details step-by-step instructions to create three-dimen
AuthorsJin-Si R. Over, Andrew C. Ritchie, Christine J. Kranenburg, Jenna A. Brown, Daniel D. Buscombe, Tom Noble, Christopher R. Sherwood, Jonathan A. Warrick, Phillipe A. WernetteByEcosystems Mission Area, Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Maryland-Delaware-D.C. Water Science Center, Pacific Coastal and Marine Science Center, Southwest Biological Science Center, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center - FAQ
FAQ associated with the Aerial Imagine and Mapping group
Does the USGS need flight approval to operate uncrewed aircraft systems?
Yes, approval is required for operating uncrewed aircraft systems (UAS). The USGS receives flight approval from the Federal Aviation Administration prior to every UAS mission. The official document is referred to as a Certificate of Authorization and Waiver. It is the approval process by which the Federal Aviation Administration allows for public agencies to operate UAS in the National Airspace...
What training do pilots of USGS uncrewed aircraft systems receive?
Training for USGS uncrewed aircraft system (UAS) operators is provided by the Department of the Interior Office of Aviation Services. The training has been approved by the Federal Aviation Administration and is specific to the types of UAS that the department operates. The training provides operators with the skills and knowledge necessary to operate a small UAS in the National Airspace System.
What does the USGS do with the information, pictures, and video collected by uncrewed aircraft systems?
All data collected by USGS uncrewed aircraft systems are processed and used in support of mission-specific research objectives. The vast majority of the resource management and scientific data will be archived for long-term use and placed in the public domain. Learn more: National Uncrewed Systems Office
What restrictions are in place to protect citizens' civil liberties and privacy concerns related to uncrewed aircraft systems?
The USGS is a bureau within the Department of the Interior (DOI), which requires the following actions related to privacy: Operating uncrewed aircraft systems (UAS) primarily over DOI lands. Obtaining written permission from landowners when UAS operations need to launch and/or land on their property. Following standard Federal Aviation Administration (FAA) and DOI-approved procedures for aircraft...
What types of uncrewed aircraft systems does the USGS use?
The Department of the Interior and USGS uncrewed aircraft systems (UAS) operational strategy emphasizes small systems with a combined aircraft and payload weight of less than 55 pounds. These small UAS are designed to support short (90 minute) missions and operate on rechargeable batteries or gasoline. This strategy recognizes that any given small UAS model will have a limited life span based on...
Why does the USGS use uncrewed aircraft systems?
Uncrewed aircraft systems (UAS) provide an affordable solution when the USGS needs "eyes in the sky" but doesn’t have the budget to maintain a fleet of aircraft or to obtain commercial imagery. The USGS relies on a variety of remotely sensed data. UAS can provide a range of remote sensing data types, from aerial images to hyperspectral or Synthetic Aperture Radar (SAR) data at resolutions down to...
How does the USGS use uncrewed aircraft systems?
The USGS National Uncrewed Systems Office (UAS) and the Office of Aviation Services are leading the development and testing of UAS scientific and resource management technology across the Department of the Interior in coordination with the other bureaus. Department of the Interior UAS capabilities support a range of activities including scientific research, monitoring environmental conditions...