Browsing NIVA Open Access Archive by Author "Hawes, Ian"
Now showing items 1-2 of 2
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A low-cost remotely operated vehicle (ROV) with an optical positioningsystem for under-ice measurements and sampling
Lund-Hansen, Lars Chresten; Juul, Thomas; Eskildsen, Tor Dam; Hawes, Ian; Sorrell, Brian; Melvad, Claus; Hancke, Kasper (Journal article; Peer reviewed, 2018)Here we describe the design, performance and field tests of a lightweight (13.1 kg), low-cost (15.000 USD), and portable remotely operated vehicle (ROV) of dimensions 55 × 43 × 34 cm (L × H × W), with a new optical based ... -
Effects of increased irradiance on biomass, photobiology, nutritional quality, and pigment composition of Arctic sea ice algae
Lund-Hansen, Lars Chresten; Hawes, Ian; Hancke, Kasper; Salmansen, Nicole; Nielsen, Johanne Raakjær; Balslev, Laura; Sorrell, Brian K (Peer reviewed; Journal article, 2020)Ice algae are key contributors to primary production and carbon fixation in the Arctic, and light availability is assumed to limit their growth and productivity. We investigated photo-physiological responses in sea ice ...