V. Maurer et al.: Evaluation of coupled and uncoupled simulations

577

SSH at tide gauge Helgeroa

n
nn

1.8

X6

0.4
0.2
2.0

-(

— GESLA3.0
— - NEMO-NBS
‚=== ROAM-NBS

Aa

IA |
f
Ol a Al)
AAN
u f N

Ta U
& s m
} N
NN U
9 7 MN E
F Yı x
A ff
Jr !
—— r HH
2015-01-07 2015-01-08 2015-01-09 2015-01-10 2015-01-11 2015-01-12 2015-01-13 2015-01-14

SSH at tide gauge Travemuende

5.75
0.50
0.25
= 0.00
; 0,25
-0.50
9:75
1.00

to

a
NZ.

w
m

EL
—  GESLA3.0
7 -—. NEMO-NBS
V \r ve

- 7 mn =
“0015-01-01 2015-01-02 2015-01-03 2015-01-04 2015-01-05 2015-01-06 2015-01-07 2015-01-08

Figure A3. Comparison of model results and observations for maximum sea surface height in January 2015 at selected stations in the Kattegat
and Baltic.

EN )n-situ data
n 6 a Reanalysis
m 1 NEMO NBS
:4 am ROAM NBS N
„2 P 1 if f
Fr li Rn
MOoOHNMSNMOSKORDOHANMTINMOROKACANMSTNUKNKOCT
HL HAHRHAHHRHOCOSCCOCDOCC AA AAAAAAZET
SHE HHOCODAR YO ) = oOooDoc
4a MT SE
vn
(b)

14
“2 { | A I
. |; l
a 4 8 AT
L ;
RAOoOdNMSAUOSOCOCANMSINK Mm Or
AHA HAHAHOOOS© Agdr‘dadnhddr
RAN HHAHARHOOCO Del Om Dr
int AAN Ne

is —
'

150

(c.

100

S

so +

d U
aoHNMTHOROHOHNMFNM" DC # *
Sa aa ahahahhno ober
"am nm po ns
NAD ELF R

Figure A9, Annual marine heatwaves metrics computed for the location UFS Deutsche Bucht in the North Sea from in-situ data at 0.5m
depth (black), Copernicus Atlantic — European North West Shelf — Ocean Physics reanalysis data (orange), NEMO NBS simulation (blue)
and ROAM NBS simulation (green). Common climatology period is 1993 to 2020. The metrics compared here are the number of MHW
events (a), maximum intensity [°C] (b) and total days of MHW conditions (c). The orange stars indicate the years where reanalysis data 1s
1ot available, which starts in 1993. The black stars indicate years with too large data gaps in the in-situ data (1990, 2007, 2010, 2014, 2016.
2018. 2019. 2020).

https://doi.org/10.5194/smd-19-543-2026

Geosci. Model Derv.. 19. 543-578, 2026