MMPU3--~20 cm of water in it; about 1 cm of
sediment in base. Evidence of some flow past the
trap and that it was full of water. |
MMPU3 |
MMPB1--~10 cm of water; ~2 cm of sediment
(pretty fine-grained). Evidence of flow past
and over it. |
MMPB2--Beautiful sand package moving toward
trap. Evidence of flow past the trap, including
erosion of excavated material from behind it. ~25 cm
water; 4-5 cm sediment. |
MMPB2 |
MMPB2 |
MMPB2 |
MMPB2 |
MMPB3--Full (2/3) of course sediments and
woody debris. Scoured around. Clear flow past
the trap. Also shows coarse over fine as sand
wave moved into trap. |
MMPB3 |
MMPB3 |
faint rainbow |
MMPU2--6-10 cm of water; 1-2 cm of sediment.
Has had ruoff thorugh and past it with complete
filling evident. |
MMPU2 |
MMPU5--
Sand package heading toward it about 2 m upstream.
It looks like a small dam formed by vegetation just
downstream from the trap caused more still water
and accumulation of fines and leaf and wood debris.
Could have had 10-20 cm of water above the top
of the trap (indicated by jetsam). |
MMPU5 |
MMPU5 |
MMPU5 |
MMPU4-->10 cm thick, channel wide coarse sand
has moved into the trap. It has had 10-30 cm
scour around its back. FLow has been > 10 cm
above top of trap. Excavated debris below has
been removed in channel. |
MMPU4 |
MMPU4 |
MMPU4 |
MMPU1--Entry is still very flush. Flow and scour
down stream removed excavated debris. 20-30 cm
water and 4->10 cm sediment, including some
conical coarse sand accumulations on upstream
center. |
MMPU1 |
MMPU1 |
MMPU1 |