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Rework figure C8. #162

Closed dblodgett-usgs closed 7 years ago

dblodgett-usgs commented 8 years ago

Why has the stream between n3 and n2 (in C7) been removed?

I’m still unsure as to the purpose of C8.If it’s to show a case where each catchment would have only a maximum of 1 FlowPath, then the catchment in the top right would also need to be merged. Otherwise you’ll have an inflow to Z (that then goes to n1) as well as Z’s headwater FlowPath that also geos to n1 (i.e. without the catchment in the top right you can just have a single FlowPath for Z).

image

dblodgett-usgs commented 8 years ago

For now, I'm removing this from the spec doc. No time to straighten this out.

dblodgett-usgs commented 8 years ago

Confusing text just below this figure that needs to be reconciled:

There are two ways that catchments with multiple inflows can share a common outlet: 1) as separate sub-catchments, each represented by a flowpath between a single inflow and the outflow (Figure 6, C1) as a non-divided catchment contributing as a whole to the outflow node (Figure 6, C2). The latter case, referred to here as a conjoint catchment, may result in several paths which water actually follows. Although it may be hard to determine what part of the contributing catchment each path represents, to determine the main flowpath, or to perform linear referencing (along the main flowpath), a conjoint catchment is often easier to delineate and more convenient. Alternatively, complex hydrography can also be combined into larger catchments (Figure 12, C8) to avoid the complexity of having multiple inflows all together.

Comment about this from @dazzasmith

I wouldn’t say that Figure 6, C1 shows an instance of a catchment with multiple inflows. n2 is a confluence, but only a single inflow to catchment A. Catchments B & C both have one inflow (n4, n3 respectively). Catchment B in Figure 6, C2 shows a catchment with two inflows (n4 & n3), as does X in C7. Actually, I’m not really sure what 1) is saying, because if you divide the catchment with two inflows then it no longer is a catchment with two inflows, but instead a pair of catchments each with one inflow each?

Should go at bottom of page 33.

IrinaDornblut commented 8 years ago

some edits (for review) in section 6.3.2 re this issue. - maybe, the Figure 12,C3 (former C8) needs to be refreshed (see comment in text)

dblodgett-usgs commented 7 years ago

Going to close this and refresh with a new list of figure updates.