Implementations are described herein for leveraging teleconnections and location embeddings to predict geospatial measures for a geographic location of interest. In various implementations, a plurality of reference geographic locations may be identified that are disparate from a geographic location of interest and influence a geospatial measure in the geographic location of interest. One or more features may be extracted from each of the plurality of reference geographic locations. The extracted features and a location embedding generated for the geographic location of interest may be encoded into a joint embedding. A sequence encoder may be applied to the joint embedding to generate encoded data indicative of the predicted geospatial measure.

A system for measuring a water-filled structure includes a measurement device. The measurement device comprises a sensor carrier with a first end arranged below water and a second end arranged above the water. At least one measurement sensor is positioned on the first end of the sensor carrier and is configured to measure the water-filled structure by capturing measurement data. An acceleration sensor is provided and a tachymeter is positioned outside of the water-filled structure. The position of the tachymeter is determined using GNSS measuring points configured to receive GNSS signals from satellites in a global navigation system. A control unit is configured to determine at least one of a current position of the measurement device and an orientation of the measurement device based on: (1) measuring data from the acceleration sensor; (2) the GNSS signals received by the GNSS measuring points; and (3) measuring data captured by the tachymeter.

The invention relates to a method for determining a water current velocity profile in a water column by registration of a deviation between a first position and a second position of an underwater vehicle travelling in the water column. A batch of underwater vehicles is deployed from a surface vessel into the water. The vehicle(s) steers to the first position, which for the first batch is a predefined estimated position (PEP). The vehicle is by first means recording the second position, which is the actual position (AP). The difference ΔP between the predefined estimated position PEP and the actual position is registered and based on the difference a deviation data set is calculated. An updated current profile or stack of horizontal water current velocities UV is determined.

Described herein are methods and devices for improved location of any and all underwater structures or equipment installed underwater. In particular, systems are disclosed that combine optical and acoustic metrology for locating objects in underwater environments. The systems allow for relative positions of objects to be determined with great accuracy using optical techniques, and support enhanced location of devices that utilize acoustic location techniques. In addition, location information can be provided by the system even in conditions that make optical metrology techniques impossible or impractical.

Described herein are methods and devices for improved location of any and all underwater structures or equipment installed underwater. In particular, systems are disclosed that combine optical and acoustic metrology for locating objects in underwater environments. The systems allow for relative positions of objects to be determined with great accuracy using optical techniques, and support enhanced location of devices that utilize acoustic location techniques. In addition, location information can be provided by the system even in conditions that make optical metrology techniques impossible or impractical.

The state prediction device smoothes a state vector including a flow rate and a water level of a tsunami at each of a plurality of points set two-dimensionally in a region including a coverage area, by using flow velocity observed values of a sea surface in a plurality of cells extending in a plurality of range directions and a plurality of beam directions in the coverage area of a radar.

Systems and methods herein provide for floating sensors. In one embodiment, a system includes a waterproof housing, an electronics assembly mounted within the waterproof housing, and a wing structure hingeably attached to the waterproof housing and operable to float the system on a water surface. The system also includes a solar panel configured on the wing structure to provide power to the electronics assembly.

An ecological flow determination method for considering a lifting amount a belongs to a technical field of environmental engineering and includes the following steps: collecting, by a collecting device, data needed to calculate an ecological flow; determining, by a calculating device, an ecological base flow; selecting an upper limit and a lower limit of the ecological base flow so as to determine a range of the ecological base flow; verifying the lower limit of the ecological base flow; calculating water demands of landscape wetland, sediment discharge and dilution self purification of three service objects; comparing the water demands of the three service objects so as to determine the lifting amount, and finding out a minimum value and a maximum value to determine a lower limit and an upper limit of the lifting amount in the range; combining the ecological base flow and the lifting amount to determine the ecological flow.

A method for measuring elevation of an accumulating resource with a visually distinguishable intersecting object includes providing an electronic device comprising a camera and at least one position sensor, performing at least one survey by obtaining sensor readings while the camera is aimed at an intersection, determining an altitude and pitch angle of the camera using the sensor readings; and computing the elevation of the accumulating resource using the geolocation and pitch angle of the camera.

A method of measuring tides and inland water levels is provided. The method comprises a computer receiving a first measurement of an angle formed by a first ray comprising a vertical fixed piling and a second ray formed by a downward sloping ramp of known length, a lower end of the ramp contacting a surface of a dock float and the surface representing a plane contacting the fixed piling at a 90-degree angle at a first meeting point. The computer then calculates, based on the first measurement, based on the ramp length, and based on the 90-degree angle, a first distance from the first meeting point to a vertex of the angle. The computer later receives a second measurement of the angle, wherein the plane meets the piling at a second meeting point. The computer calculates a second distance and expressing a difference between two distances as tidal change.