In India, the active areas with Landslides in the Himalayan region and the ongoing process of development in this area can be impeded by the associated risks and hazards posed by these events. The Garhwal Himalaya region, in particular, has a history of landslides, some of which are well-known and triggered by co-seismic events. While rainfall and earthquakes are commonly Continue Reading »

Himalaya is experiencing unprecedented warming since recent past which is more than the global average and also more than the Indian sub continental landmass. The warming is even more pronounced at higher altitudes in Himalaya. This rising rate of warming at higher altitudes has been termed as Elevation Dependent Warming or EDW by the scientists working in the domain. The Continue Reading »

In optical sensors, the features can be seen in the raw data with some radiometric and geometric distortions but SAR raw data are unfocused images where no feature can be seen in the image. Unlike optical sensors, signal processing algorithms are required to focus the SAR raw data. The processing of SAR raw data is always a challenge because it Continue Reading »

Fog is a visible aggregate of water droplets suspended in the air which reduces the visibility at ground level. Depending on the concentration of water droplets in the air, the visibility may range from the appearance of haze to almost zero visibility.  As per the International meteorological vocabulary, the low visibility conditions shall come under foggy conditions when the visibility Continue Reading »

On the bucket list of several of us to might be to move towards the poles at least once in a life time to witness the breath-taking Northern or Southern lights on our planet. On Earth we don’t have global Auroras but move to Mars and we may witness one! In fact Mars can have global or regional auroras. That’s Continue Reading »