Lake Tūtira
Body of Water in New Zealand From Wikipedia, the free encyclopedia
Lake Tūtira is a body of water in north-eastern Hawke's Bay in New Zealand.[1]
| Lake Tūtira | |
|---|---|
 Lake Tutira in 2009 | |
 | |
  Lake Tūtira | |
| Location | Hawke's Bay, North Island |
| Coordinates | 39.222°S 176.893°E |
| Type | mesotrophic |
| Catchment area | 27 km2 (10 sq mi) |
| Basin countries | New Zealand |
| Surface area | 1.74 km2 (0.67 sq mi) |
| Average depth | 20.8 m (68 ft) |
| Max. depth | 42 m (138 ft) |
| Residence time | 2 years |
| Surface elevation | 150 m (490 ft) |
| Islands | 1 |
Much of the area was surveyed by Herbert Guthrie-Smith, who farmed 60,000 acres (240 km²) surrounding the lake.[2] Guthrie-Smith, a naturalist, published the popular Tutira: the story of a New Zealand sheep station in 1921.[3] Today, a camp is run at the site of his homestead.[4]
A small settlement, Tutira, is located near the lake, on State Highway 2 30 kilometres north of Whirinaki.
Sedimentary cores from the lake were used to demonstrate that the landslides mobilising sediments for transport into the lake occur in frequency and magnitude according to a power law.[5]
Trout fishing is permitted as a stream flows into its northern reaches. For centuries Māori seasonally lived by Lake Tūtira and it is possible to see the remains of six pa sites. The Tutira Walkway, ascends to the Table Mountain trig station for views over Hawke's Bay and takes about five hours to complete.[citation needed]
Land Air Water Aotearoa describes the water quality as "poor", specifically showing eutrophic lake conditions.[6] The lake suffers from periodic algal blooms.[7]
In 2023, the lake was in a poor condition and not safe for swimming as a result of algal blooms caused by high temperatures, runoff from farms, and nutrient-rich inflows during heavy rains.[8]
The lake contains a high-resolution record of the sedimentation since its formation about 6,500 years ago.[9] It has a small catchment area, whose dominant erosion mechanism is landsliding; as a result of this, infrequent, large storms account for the bulk of the sedimentary depositional volume; Cyclone Bola is a particularly important recent example.[10][11]
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