In January, after the balmy climes of Fiji, we headed back to the hills, this time to the Doubtful Range to assess sediment extraction from a remote alpine lake.
New Zealand had had some severely wet weather across January, with significant land slips across the country, so access via the slip-ridden track was wet, slow and tedious, with numerous ‘sketchy’ river crossings en route.
Nevertheless, after three days of humping through the bush with sampling gear, camping gear, wet suit and requisite 4 kg weight belt, we made it to the imaginatively titled lake, Lake Man 1A.
Although late summer, a significant tongue of ice still existed on the lake and the water, under a cloudy sky, was very cold…
Time spent in cold remote environs is best not wasted so after a warming snow depth survey of the mini-glacier that fed the ice, it was into the water on numerous occasions to assess the viability of future sediment extracting expeditions. The lake bottom appears to consist of a very hard diamicton base covered by a very thin (new?) sediment layer.
This speculative foray was light in both cost and weight but has provided the logistical and technical foundation to allow a more concentrated research campaign to be planned for the near future.