The Indo-U.S. Science and Technology Forum (IUSSTF), has invited Proposals for ‘COVID-19

#IUSSTF boosts Indo-US virtual networks to address #COVID19 #challenges .

The Indo-U.S. Science and Technology Forum (IUSSTF), has invited Proposals for 'COVID-19 Indo-U.S. Virtual Networks' that would allow Indian and U.S. scientists and engineers currently engaged in COVID-related research to carry out joint research activities through a virtual mechanism, leveraging existing infrastructure and funding. Proposals that convincingly demonstrate the benefits and value of the Indo-U.S. partnership to advance research and address critical challenges related to COVID-19 are encouraged.

Global challenges like COVID 19 call for global collaborations and partnerships, bringing together the best and brightest scientists, engineers, and entrepreneurs to work together to find solutions not only to address the current pandemic but also for the challenges that lie ahead. The IUSSFT is booting such collaborations for this specific purpose in keeping with their core mandate to catalyze collaborative initiatives across both countries.

The IUSSTF established under an agreement between the Governments of India and the United States of America in March 2000 is an autonomous bilateral organization jointly funded by both the Governments that promotes Science, Technology, Engineering, and Innovation through substantive interaction among government, academia, and industry. The Department of Science and Technology, Governments of India, and the U.S. Department of State are respective nodal departments.

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Platforms in Remote Sensing

In remote sensing, a platform is the physical structure or vehicle that carries a sensor (camera, scanner, radar, etc.) to observe and collect information about the Earth's surface. Platforms are classified mainly by their altitude and mobility : Ground-Based Platforms Definition : Sensors mounted on the Earth's surface or very close to it. Examples : Tripods, towers, ground vehicles, handheld instruments. Applications : Calibration and validation of satellite data Detailed local studies (e.g., soil properties, vegetation health, air quality) Strength : High spatial detail but limited coverage. Airborne Platforms Definition : Sensors carried by aircraft, balloons, or drones (UAVs). Altitude : A few hundred meters to ~20 km. Examples : Airplanes with multispectral scanners UAVs with high-resolution cameras or LiDAR High-altitude balloons (stratospheric platforms) Applications : Local-to-regional mapping ...

Model GIS object attribute entity

These concepts explain different ways of organizing, storing, and representing geographic information in a Geographic Information System (GIS) . They include database design models (ER model), data structure models (Object and Attribute models), and spatio-temporal representations that integrate location, entities, and time . Together, they help GIS manage both spatial data (where things are) and descriptive information (what they are and how they change over time) . 1. Object-Based Model (Object-Oriented Data Model) The Object-Based Model treats geographic features as independent objects that combine spatial geometry and descriptive attributes within a single structure. Core Concept: Each geographic feature (such as a building, road, or river ) is represented as a self-contained object that stores both: Geometry – location and shape (point, line, polygon) Attributes – descriptive properties (name, type, length, capacity) Unlike older georelational models , which stored spatial ...

Types of Remote Sensing

Remote Sensing means collecting information about the Earth's surface without touching it , usually using satellites, aircraft, or drones . There are different types of remote sensing based on the energy source and the wavelength region used. 🛰️ 1. Active Remote Sensing 📘 Concept: In active remote sensing , the sensor sends out its own energy (like a signal or pulse) to the Earth's surface. The sensor then records the reflected or backscattered energy that comes back from the surface. ⚙️ Key Terminology: Transmitter: sends energy (like a radar pulse or laser beam). Receiver: detects the energy that bounces back. Backscatter: energy that is reflected back to the sensor. 📊 Examples of Active Sensors: RADAR (Radio Detection and Ranging): Uses microwave signals to detect surface roughness, soil moisture, or ocean waves. LiDAR (Light Detection and Ranging): Uses laser light (near-infrared) to measure elevation, vegetation...

Spatial data and Attribute data

Spatial Data Definition: Spatial data represents the geometric location of features on the Earth's surface. It defines the shape, size, and position of geographic entities. Key Concepts and Terminologies: Geometric Representation: Point Data: Represents a single location (e.g., a city center, weather station). Line Data: Represents linear features (e.g., roads, rivers). Polygon Data: Represents area-based features (e.g., administrative boundaries, lakes). Coordinate Systems & Projections: Geographic Coordinate System (GCS): Uses latitude and longitude (e.g., WGS 84). Projected Coordinate System (PCS): Converts curved surface data to a flat map (e.g., UTM, Mercator). Data Formats: Vector Data: Stores discrete features (points, lines, polygons). Raster Data: Stores continuous data in grid format (e.g., satellite imagery, elevation models). Examples of Spatial Data: A vector dataset of roads with line geometries stored in Shapefile (.shp) f...

Atmospheric Window

The atmospheric window in remote sensing refers to specific wavelength ranges within the electromagnetic spectrum that can pass through the Earth's atmosphere relatively unimpeded. These windows are crucial for remote sensing applications because they allow us to observe the Earth's surface and atmosphere without significant interference from the atmosphere's constituents. Key facts and concepts about atmospheric windows: Visible and Near-Infrared (VNIR) window: This window encompasses wavelengths from approximately 0. 4 to 1. 0 micrometers. It is ideal for observing vegetation, water bodies, and land cover types. Shortwave Infrared (SWIR) window: This window covers wavelengths from approximately 1. 0 to 3. 0 micrometers. It is particularly useful for detecting minerals, water content, and vegetation health. Mid-Infrared (MIR) window: This window spans wavelengths from approximately 3. 0 to 8. 0 micrometers. It is valuable for identifying various materials, incl...

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