New Startup in the Swiss wants to use Jets to spray Iron over the Sea. Why do we not add more Iron in Ship and Airplane fuel?

Shower thought... what about instead of putting a giant, hard to build, hard to maintain physical shade, what if we just shot out some compressed gas or particulate aerosol and let it decompress?

Even if it had a temporary affect, maybe 1-2 launches per year keeps up the density or something?

I feel like if I had enough time I'd whip out some old physics textbooks.. but has this idea been raised before?

What is the best way to approach geo as a senior mech e student. I loved soil grading in school. What should I do after I graduate? Thanks in advance!

The title says it all, whats your involvement in geoengeneering? I'm interested in finding out how many of us are average citizens, climate scientists etc.

View Poll

I'm a total newbie at climatology and geoengineering, so please, no judgement.

I had a simple idea when thinking about how awesome it would be if we could terraform the Sahara desert (or just some parts of it). It consists of a long pipe going down into the Sahara's large aquifers. With a water pump, the water would be pulled upwards and heated over boiling point, then, the steam would be expelled, go up the atmosfere and form clouds. If it rains, the rain would seep into the ground and refill the aquifers.

The problems I can detect are the possibility of the steam being carried out of reach by the wind or not even condensing at all.

Would this work? The fact that I've never seen this idea floating around before makes me think that it wouldn't.

Hi everyone,

I am trying to put together a small project (it would fit in geoengineering, althought thats not my specialization, hence the question), where there is weak airflow (expected airflow is in milimeters per second) coming through a porous (but hard) medium (Darcy's law), low permeabilities, gravel with boulders. We already have a great way to identify where the flow is happening, but i would like to get some more quantitative way to describe the situation.

I've come across research where differences as low as a few Pascals (Pa) were measured, but I'm struggling to find suitable methods or devices for measuring such low differential pressures in a geological setting. Most of the existing literature and products seem to focus on measuring pressures in pipes, which unfortunately doesn't align with our scenario. Furthermore, their precision (although high for intended use) would nos suffice. Introducing a pipe to the location is also not a preferred solution.

Most of the literature (and products) are focused on measuring pressures in pipes, which is unforunatly not our case, and introducing a pipe to the location is not a desired outcome.

As the measuremnt takes place outside and for extended period of time, the sensor/device would need to be at least somewhat robust.

Can somebody point me somewhere? Thanks. Or tell me that this is insane (which i feel might be the case)?

A method for measuring the airflow more directly would also help, but i feel like that is impossible.

I'll ask very narrowly. I've read official fact sheets and such. Haven't found the paper that covers issue I'm curious about.

By spraying saltwater onto Marine Clouds... the ones who retain their rain until discharge it over land... are we just assuming that the amount of salt applied which become drop-nuclei when they come down as rain is below detectable? what is the salinization rate for terrestrial soils? Has that been considered?

It happens to ag land w well water and salt fertilizer residue... it can get so bad the land is lucky to be a solid patch of turf grass.

"Trust is the biggest liability of all." - 99th Rule of Acquisition

​

I've been thinking... Why don't we use either a big drone or multiple drones to fly through out the world, sucking up all of these bad green house gases (Methane, Carbon Dioxide, etc)?

Power Source? Solar panels... What has to be figured out is a way to either capture, or store it. Hell, we can convert it to something physical and have it dropped off at some specific location (GPS Tracked)?

I've always thought about this from time to time and even Google it to see if someone has thought about it already but I haven't read anything similar to this concept.

James Hanson presented https://www.youtube.com/watch?v=0It_xZnLdyo as climate restoration. I would try to use Bubble Barriers to stop Glacier calving. What are your Ideas?

https://preview.redd.it/snx7lo7rklac1.jpg?width=680&format=pjpg&auto=webp&s=a081ecea40bda962dfd3af399b4f1a4021320f98

https://preview.redd.it/ijupvt3pklac1.png?width=680&format=png&auto=webp&s=f363b38fc276efc0964e1a0ac8750fb1a5a2e671