HY_AtmosphericHydroFeature OGC HY_Features: a Common Hydrologic Feature Model
Copyright © 2014 OGC
27
Figure 19 UML: HY_AtmosphericFeature – Package dependencies
class hl
á
_atmo
â á
heri
ã ä
eature
«FeatureType»
HY_
å
tmos
æ çè
ricHydr
éêè
ature:: HY_Preci
æ
itation
«FeatureType»
HY_
å
tmos
æçè
ricHydr
éê è
ature:: HY_Hydr
éë
eteor
«FeatureType»
HY_Hydrogra
æ ç
ì
c
í
et
î
or
ï
:: HY
ð ñ
ater
ð ò
i
ó
uidPhase
«FeatureType»
HY_Hydrogra
æ ç
ì
c
í
et
î
or
ï
:: HY
ð ñ
ater_SolidPhase
+snowmelt
ô
..1
+iceFraction
ô
..1 +waterFraction
ô
..1
28
Copyright © 2014 OGC
Figure 20 UML class diagram: HY_Precipitation 7.6 HY_SurfaceHydroFeature
This application schema Figure 21 defines concepts of the hydrology phenomenon on the Earth’s land surface with respect to water bodies aggregated in a hydrographic
network using a connecting system of confining channels, but without complexity and detail of hydrologic and hydraulic models.
Figure 21 HY_SurfaceHydroFeature – Package dependencies
SurfaceWater informative package summarizes the most popular water bodies mass of water on the land surface each special by the property to permanently or temporarily
move, by origin, by extent, by the phase of the contained water, or by their interaction with open sea. Depending on the implementation, each special type of hydrographic
feature may be described by suitable attributes.
SurfaceWaterConfines Figure 22 package contains key elements confining a surface water body such as bed and banks of the watercourse. Depending on specific use cases,
the channel of at least one segment through or along which water may move, may be associated with the hydrographic network of water bodies.
Copyright © 2014 OGC
29
class hl
õ
_channel
ö
et
÷
or
ø
«FeatureType»
HY_Surf
ù ú
û ü
aterConfines:: HY_Ban
ý
«FeatureType»
HY_Surf
ù ú û
ü
aterConfines:: HY_Channel
HY
þ ÿ
et
w
or
k
«FeatureType»
HY_Surf
ù ú û
ü
aterConfines::HY_Channel
N
et or
ý
+ drai
n
atter
n H
Y _
rai
n
atter
n
.1]
«FeatureType»
HY_Surf
ù ú
û ü
aterConfines:: HY_ChannelSegment
«FeatureType»
HY_Surf
ù ú û
ü
aterConfines:: HY_Riv erBed
«C
o
st»
HY_Surf
ù ú
û ü
aterConfines:: HY
rainagePattern
+ annular + centripetal
+ dendritic + distri
b
ary + parallel
+ pinnate + radial
+ rectangular + trellis
«FeatureType»
HY_Surf
ù ú
û ü
aterConfines:: HY_Reach
«FeatureType»
HY_Hydrogra
p
c
N
et or
ý
:: HY_CrossSection
«FeatureType»
HY_Hydrogra
p
c
N
et or
ý
:: HY_
L
tudinalSection
+channel ..1
1
.
1+
b
rofil
o n
tudinal
.
+
b
rofileTransversal
.
1
.
1
+
b o
deredChannel
.
+upstreamCrossSecti
o n
.
Figure 22 UML class diagram: SurfaceWaterConfines
The SurfaceHydroFeature model allows to separately address the water body and the connecting watercourse, or parts of these. It is intended that applications in surface water
hydrology, modeling hydraulics and morphology of streams use this model to reference the represented hydrologic feature.