That's so awful!! I'm certain that putting plants in 1" of water won't hurt them too bad. Unfortunately, when we travel, we have to expect that our plants and animals will be unhappy with us, and will show their unhappyness- but life goes on, new roots will grow, and everything will go back to normal in due time :-)

Have a safe trip- do your best to take care of the 'chids before you leave, but don't worry too much- they'll be fine :-)