[Tagging] Rio de la Plata edit war

Joseph Eisenberg joseph.eisenberg at gmail.com
Tue Aug 4 19:56:31 UTC 2020


The graphics in this document are mainly models of current flow, rather
than actual measurements, but it is mentioned that the average current
flow, neglecting wind, is only 0.1 m/s in the Rio de la Plata. Since winds
of 5 m/s are routine according to the paper, the currents vary strongly
based on winds and tides.

See for example the figura on pages 26 to 37 which show the modeled
variation with different wind direction. I don't see a modeling of the
affect of tides - this appears to be the average current over the tidal
cycle? But I admit I have not visited this area.

My main objection is the inclusion of Bahia Samborombon in the estuary. The
charts and satellite images show very little influence from river water in
that area, as well as in the section of coast east of Montevideo.

– Joseph Eisenberg

On Tue, Aug 4, 2020 at 12:42 PM <muralito at montevideo.com.uy> wrote:

>
>
> ----- Mensaje original -----
> > De: "Kevin Kenny" <kevin.b.kenny at gmail.com>
> > Para: "Tag discussion, strategy and related tools" <
> tagging at openstreetmap.org>
> > Enviados: Martes, 4 de Agosto 2020 16:28:55
> > Asunto: Re: [Tagging] Rio de la Plata edit war
>
> > On Tue, Aug 4, 2020 at 3:18 PM Joseph Eisenberg <
> joseph.eisenberg at gmail.com >
> > wrote:
>
> >> These rules would exclude the lower Rio De La Plata and the lower part
> of the
> >> mouth of the Saint Lawrence river, as well as other wide estuaries
> where winds
> >> and tides have more influence on surface water flow than does the
> discharge of
> >> the river. It would not prevent mapping the Hudson mouth at the
> southern tip of
> >> Manhattan, because the flow is strong all the way to New York Harbor,
> if I
> >> understand correctly.
>
> > The Hudson definitely reverses flow. One of its names among the First
> Peoples
> > translates to 'the river flows both ways.' The division in the flow lies
> less
> > in the fraction of the tidal cycle than the speed of the current. It
> flows
> > 'upstream' for half the time, 'downstream' for half, but the downstream
> current
> > is considerably swifter.
>
> Rio de la Plata would not be excluded, as you can read in the document [8]
> i linked in my first mail, for example, see some graphics of the flow of
> the river in page 25.
> [8] DINAMA. Salinidad
> https://www.dinama.gub.uy/oan/documentos/uploads/2016/12/patrones_circulacion.pdf
>
> Regaards,
> M.
>
>
>
>
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Con el nuevo beneficio fiscal, tu facturación electrónica puede ser sin
> costo.
>
> Informate si aplicás aquí.
>
> mvdfactura.uy
>
>
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>
>
>
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