Duuude! You almost lost your perk points with this landing!
I won't comment on the swooping technique as I've never done it but I'd like to point an error (probably a typo) in what you said in your OP and I'd like to attract your attention on a possible cause of incident I wasn't aware of while skydiving and only learned about when I took up paragliding. Maybe you're already aware of this, but recent fatal incidents with experienced skydivers caused by wings collapsing near the ground (
here and
here) give me the impression that the info isn't common knowledge yet.
Equally, when you pull down on the rear risers you decrease the canopies angle of attack, allowing you to level out of a shallow dive and swoop along the ground with minimum drag, scraping your feet through the grass and looking cool.
Actually, pulling down on the rear risers will
increase the AoA of your wing. And as the stall is only determined by the AoA, it is possible to stall your wing almost instantly with the rear risers, usually with a much smaller input than with the brakes. So kudos for keeping your wits and switching to the brakes instead of trying to dig yourself out of the corner by yanking on the rear risers, which would have probably ended much less nicely.
Now a bit of advice about flying a canopy with a decreased AoA in turbulent aerology: when you pull on the front risers (symetrically or not), you decrease the AoA of your wing (along the whole span or asymetrically). As you know, ram air canopies need pressurization (resulting from airspeed) to keep an efficient shape, and the cell openings are designed to maximize the pressurization when the airstream hits them at the standard AoA (when the risers aren't deformed).
So on one hand, you're gaining pressurization by the speed increase resulting from the dive initiated by the lower AoA, but on the other hand the airstream direction isn't entering the cell openings at the optimized angle so you're losing pressurization. The differential depends on the wing design but it is possible that, by diving with the front risers, your wing isn't as 'solid' (=pressurized) as in normal flight.
If a wing encounters at this moment a disturbance in the air mass (wind shear or turbulence) hitting the top part of the leading edge, it could be enough to cause a frontal collapse.
Now, paragliders are more prone to frontal collapses than skydiving canopies due to their lighter wing loading and essentially because they are flown more often in turbulent conditions (allowing them to gain altitude). Paraglider pilots are well aware of this phenomenon, and are taught to use the speed bar (allowing them to pull on the front risers to decrease the AoA) carefully when the air mass isn't calm.
However, a full or partial frontal collapse of a skydiving wing close to the ground leaves almost no room for recovery. Even if it is a rare event, the seriousness of the consequences shouldn't allow the swoopers to disregard it. The danger zone, IMO, is a landing area downind of obstacles.
Keep us posted, and try to become an old skydiver please
