Daily Archive: January 19, 2021

What the complex math of fire modeling tells us about the future of California’s forests

Pioneering scientists like Rothermel dealt with this intractable problem by ignoring it. Instead, they searched for factors, such as wind speed and slope, that could help them predict a fire’s next move in real time.

Looking back, Finney says, it’s a miracle that Rothermel’s equations work for wildfires at all. There’s the sheer difference in scale—Rothermel derived his equations from tiny, controlled fires set in 18-inch fuel beds. But there are also more fundamental errors. Most glaring was Rothermel’s assumption that fire spreads only by radiation, instead of through the convection currents that you see when a campfire flickers.

This

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Prosus Ventures leads $30 million investment in Indian agritech startup DeHaat – TechCrunch

Once overlooked, agritech startups are beginning to have a moment in India.

On Tuesday, DeHaat, an online platform that offers full-stack agricultural services to farmers, said it has raised $30 million in a new financing round as the Indian firm looks to maintain its accelerated growth despite the pandemic.

Prosus Ventures, formerly known as Naspers Ventures, led Patna and Gurgaon-based startup’s Series C financing round. RTP Global and existing investors Sequoia Capital India, FMO, Omnivore and AgFunder also participated in it, bringing the startup’s to-date raise to over $46 million. (Dexter Capital was the advisor for this funding round.)

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