Editing Iceberg (section)

=== Drift ===
A given iceberg's trajectory through the ocean can be modelled by integrating the equation

: <math>m \frac{d\vec{v}}{dt} = -mf\vec{k} \times \vec{v} + \vec{F}_\text{a} + \vec{F}_\text{w} + \vec{F}_\text{r} + \vec{F}_\text{s} + \vec{F}_\text{p},</math>

where ''m'' is the iceberg mass, ''v'' the drift velocity, and the variables ''f'', ''k'', and ''F'' correspond to the [[Coriolis force]], the vertical unit vector, and a given force. The subscripts a, w, r, s, and p correspond to the air drag, water drag, wave radiation force, sea ice drag, and the horizontal pressure gradient force.<ref>{{Cite journal |last1=Carlson |first1=Daniel F. |last2=Boone |first2=Wieter |last3=Meire |first3=Lorenz |last4=Abermann |first4=Jakob |last5=Rysgaard |first5=Søren |date=2017-08-28 |title=Bergy Bit and Melt Water Trajectories in Godthåbsfjord (SW Greenland) Observed by the Expendable Ice Tracker |journal=Frontiers in Marine Science |volume=4 |pages=276 |doi=10.3389/fmars.2017.00276 |issn=2296-7745 |doi-access=free}}</ref><ref name=":2">{{Cite journal |last1=Bigg |first1=Grant R. |last2=Wadley |first2=Martin R. |last3=Stevens |first3=David P. |last4=Johnson |first4=John A. |date=October 1997 |title=Modelling the dynamics and thermodynamics of icebergs |url=https://linkinghub.elsevier.com/retrieve/pii/S0165232X97000128 |journal=Cold Regions Science and Technology |language=en |volume=26 |issue=2 |pages=113–135 |doi=10.1016/S0165-232X(97)00012-8|bibcode=1997CRST...26..113B }}</ref>

Icebergs deteriorate through melting and fracturing, which changes the mass ''m'', as well as the surface area, volume, and stability of the iceberg.<ref name=":2" /><ref>{{Cite journal |last1=Crawford |first1=Anna |last2=Mueller |first2=Derek |last3=Joyal |first3=Gabriel |date=2018-04-08 |title=Surveying Drifting Icebergs and Ice Islands: Deterioration Detection and Mass Estimation with Aerial Photogrammetry and Laser Scanning |journal=Remote Sensing |language=en |volume=10 |issue=4 |pages=575 |doi=10.3390/rs10040575 |bibcode=2018RemS...10..575C |issn=2072-4292 |doi-access=free|hdl=10023/16996 |hdl-access=free }}</ref> Iceberg deterioration and drift, therefore, are interconnected ie. iceberg thermodynamics, and fracturing must be considered when modelling iceberg drift.<ref name=":2" />

Winds and currents may move icebergs close to coastlines, where they can become frozen into [[Drift ice|pack ice]] (one form of [[sea ice]]), or drift into shallow waters, where they can come into contact with the seabed, a phenomenon called [[seabed gouging by ice|seabed gouging]].