Inventory of Dutch datasets for extreme value analyses
Authors: Madelon Burgmeijer and Pieter van Gelder (TU Delft)
Version: Febr. 22, 2005
Data set 1: Storm surge levels
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data3.zip
Harl.asc, Delf.asc Held.asc Hoek.asc,Vlis.asc.
Data information
Variables:
Dutch coast
Peaks over treshold values of storm surge levels at 5 locations along the
Series length: winters from 1932 through 1985 during storm season October 1 through
March 15.
English translation of the instruction at the beginning of the file:
* Name of place
winters 1932 through 1985
* Daan S4-selection of wind setup (minimum 30 cm)
*Storm season october 1 through march 15
* consecutive date (YYYYMMDD), time (HHMM, in MET),
* high tide in cm +NAP, level corrected for 1985 in cm+NAP, wind set up in cm.
* with correction according to indication GWIA-88.236
* selection originally used by CWI
Metadata information
Geographic characteristics:
Survey location
Harlingen
Hoek van Holland
Den Helder
Delfzijl
Vlissingen
NB
53°10'14''
51°59'
52°58'
53°19'54''
51°27'
OL
5°25'55''
4°07'
4°46'
6°55'05''
3°35'
Owner of the data is State Institute of Coast and Sea-The Hague. The data are available
via the website of dr.ir. P.H.A.J.M. van Gelder
Data set 2: wave climate parameters
http://www.hydraulicengineering.tudelft.nl/public/gelder/golfklimaat.zi
p
Data information
Variables:
Hm0, H1/3,HTE3, Tm02, TH1/3, Th0, wind direction, wind speed, water
level , surge
Series length:
The period over which the wave climate parameters are available is:
1 January 1979- 31 December 2001
At most of the locations, survey statistics are available from 1979 onwards. At the Euro
platform and Scheur west, however, the statistics begin much later, as can be seen from
the table below.
location
K13a platform
Schiermonnikoog
noord
Eierlandse Gat
IJmuiden munitie
stortplaats
Noordwijk
meetpost
Euro platform
Lichteiland Goeree
Schouwenbank
Scheur west
beginning date
ancillory sensor
18 jan 1979
24 nov 1979
beginning date
main sensor
21 mrt 1985
13 apr 1989
13 sep 1979
12 jan 1979
17 apr 1989
1 apr 1989
1 jan 1979
20mrt1985
19 nov 1982
1 jan 1985
20mrt 1985
1 jan 1979
1 jan 1979
1 jan1985
In compiling the measured sequences, those approved from the main sensor at each
location are used. The disturbances in these sequences (failure, rejected) have been
supplemented, where possible, with information from the ancillory sensor. For
information that was still missing after that, estimations have been made using the control
and validation programme WAVIS98. As wave direction is never registered by the
ancillory sensors, many more data are missing from this parameter than from wave
heights and wave periods.*
*Detailed information about the net measurement duration of the main sensor, the main
sensor supplemented by the ancillory sensor and the estimates can be found at the website
of "Wave climate": http://www.golfklimaat.nl/index.cfm?page=uitleg.periode
Extreme values:
In addition to wave climates, this website also pays some attention to extreme values for
wave heights and wave periods. A statistical technique is presented, to estimate the
distribution of these variables. See:
http://www.golfklimaat.nl/index.cfm?page=extremen
The following link provides the files (Hmo....mxm, Tmo2....mxm, Tpb....mxm) which
include the peaks over treshold for a set of locations at the North Sea.
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data2.zip
Data information for these files:
Variables:
Hmo, Tmo2 and Tpb(peak period)
Series lenth:
1979 through 1993
Owner of the data: State Institute of Coast and Sea- The Hague
Metadata information
Sensors:
The second table gives an overview of the range of wave-measuring instruments present
at each location. Since the introduction of the wavec buoy, measurements have been
carried out with two sensors at most of the locations. The table shows in chronological
order, under the heading 'main sensor', which instrument functioned successively as the
only sensor or as the main sensor, and, under the heading 'ancillory sensor', during which
period two survey instruments were present at that location and the type of ancillory
sensor. If there is more than one sensor, the buoy that measures the wave direction is
always the main sensor. The ancillory sensor acts as a back-up in case the main sensor
fails.
Survey Location
Main Sensor
Period
Ancillory Sensor
K13a platform
wave-rider/wavec/ dir. wave-rider
1985-present
waverider
Schiermonnikoog noord wave-rider/wavec/ dir. wave-rider
-
-
Eierlandse Gat
wave-rider/wavec/ dir. wave-rider
-
-
IJmuiden munitie
stortplaats
wave-rider/wavec/dir. wave-rider
Noordwijk meetpost
step gauge/wavec/step gauge/radar
1985-1991
step gauge
Euro platform
step gauge/wavec/dir. wave-rider
1985-present
step gauge/radar
Lichteiland Goeree
step gauge/radar
-
-
Schouwenbank
wave-rider
-
-
Scheur west
wave-rider
1985-present
wave-rider
(Deurloo)
1989-present
waverider
Geographic characteristics of the sampling zone:
full name of station
survey
network
x
y
NB
OL
m
MSL
K13a platform
Noordzee
10.176
583.334
53º13'04"
3º13'13"
30
Schiermonnikoog
noord
Noordzee
206.527
623.483
53º35'44"
6º10'00"
19
Eierlandse Gat
Noordzee
106.514
587.985
53º16'37"
4º39'42"
26
IJmuiden
munitiestortplaats
Noordzee
64.779
507.673
52º33'00"
4º03'30"
21
Noordwijk
meetpost
Noordzee
80.443
476.683
52º16'26"
4º17'46"
18
Euro platform
Noordzee
9.963
447.601
51º59'55"
3º16'35"
32
Lichteiland Goeree
Noordzee
36.779
438.793
51º55'33"
3º40'11"
21
Schouwenbank
ZEGE
11.244
419.519
51º44'48"
3º18'24"
20
Scheur west
ZEGE
-7.797
380.645
51º23'32"
3º02'57"
15
Owner of the data is the department of Public Works, Transport and Water Management
(ministerie van verkeer en waterstaat). The data were downloaded and are available via
the website of dr. ir. P.H.A.J.M. van Gelder. The file format is .kls, they can be opened
with Wordpad.
Dataset 3: River discharge data
Daily discharge data of over 200 West and Central European river stations is available at:
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-data.txt (This is a 18 MB file).
The map shows the spatial distribution of the 213 flow gauges.
EXPLANATION OF DAILY RUNOFF DATAFILES
A
B
C DE
________________________________________________________________________
__
CHINDWIN
HKAMTI
334.00 9999.320.00305.00296.00292.00288.00276.00268.00264.00
1 11978
264.00256.00252.00248.00248.00244.00244.00240.00236.00236.00
2 11978
240.00240.00240.00232.00224.00216.00212.00208.00204.00200.00196.00 3 11978
196.00196.00192.00192.00192.00188.00184.00184.00184.00184.00
1 21978
180.00180.00176.00176.00168.00168.00164.00164.00160.00164.00
2 21978
168.00172.00168.00164.00164.00164.00160.00160.00
3 21978
152.00148.00144.00140.00136.00140.00140.00136.00148.00148.00
1 31978
156.00148.00140.00136.00124.00124.00120.00120.00112.00112.00
2 31978
108.00108.00104.00104.0099.00099.00097.00097.00096.00096.00097.000 3 31978
COMMENT:
A = Name of river (40 characters)
B = Name of station (40 characters max.)
C = Number of row (there are always 3 rows per month)
D = Month
E = Year
The values are in m3/s.
Data rows:
Each data row has a length of 80 characters + line-feed, where the year,
month and number of row are right-bound. There are always three rows per
month. The first 2 rows contain 10 flow-values; the third will differ from
8 to 11 values, depending on the count of days per month.
Each value consists of 6 characters. There maybe leading blanks.
Missing values will be marked with " 9999." or blanks (see 2nd Jan. 1978)
As you may recognize, in the example above the data-rows are only 76
characters of length this is because of formatting as a print-file!
Example:
February 23rd, 1978 = 168.00
The data from different stations situated in one datafile are divided by their
river- and stationname.
Data information
Variables:
flow Q
Series length: The series lenths differ from a couple of years upto over 100 years.
For example the data of river Rhein at station Rees cover a period from
1814 upto 1997. There's a gap from 1841 till 1854 and 1834 is missing.
Meta data information
The coordinates of all locations are available from:
http://www.hydraulicengineering.tudelft.nl/public/gelder/paper56-database-rivers.xls
Owner of the data is the Global Runoff Data Centre (GRDC) in Koblenz (Germany). The
data are available via the website of dr.ir. P.H.A.J.M. van Gelder on the above URLs.
Data set 4: Wind climate
Data can be downloaded from:
http://www.knmi.nl/product/
Surf to the data sets via:
>klimatologische gegevens
> choose "english" (under,left)
>Daily wheather of the Netherlands, data sets
>Download time series
Data information
Variables:
 , vd , vh , vg
Series length:
Station
Start
End
Den Helder (De
Kooy)
1906
2005
De Bilt
1901
2005
Groningen (Eelde)
1906
2005
Twenthe
1951
2005
Vlissingen
1906
2005
Maastricht (Beek)
1906
2005
Metadata information
Warning: because of relocation of stations and changes in measuring techniques these
time series may contain inhomogeneities.
Geographic coordinates of the stations:
Station
Latitude
Longitude
Altitude of site (m)*
Den Helder (De
Kooy)
52°55'28"
4°47'07"
0.5
De Bilt
52°06'00"
5°11'00"
2.0
Groningen (Eelde)
53°07'30"
6°35'00"
3.5
Twenthe
52°16'23"
6°53'48"
34.5
Vlissingen
51°26'32"
3°35'46"
8.0
Maastricht (Beek)
50°54'57"
5°46'37"
114.0
Owner of the data is the ''Royal Netherlands Meteorological Institute'' These data can be
used freely provided that this source is acknowledged. The data are available via the link,
mentioned under "Data set 4"
The zipped files (83 kB) comprise at most 10 years of data in ASCII-format.
Data set 5: Potential wind speed
Data can be downloaded from:
http://www.knmi.nl/samenw/hydra/cgi-bin/meta_data.cgi
Data information
Variables:
Series lenth:
 , u p (hourly averaged potential wind speed)
Next figure shows the lenths per location. The stations with red bars are
used in the determination of the statistical parameters in Rijkoort (1983)
and the reproduction by Smits (2000).
Roughness maps of the netherlands are available at
http://www.knmi.nl/samenw/hydra/roughness_map/index.html
Information about extreme wind statistics can be found at the following URL.
http://www.knmi.nl/samenw/hydra/documents/background/hydra_background.htm
*
RMIZ made statistical analysis to get extreme windspeeds, frequency distribution tables and
data from extreme storms in the period 1962-2002. See:
http://www.knmi.nl/samenw/hydra/index.html
Metadata information
Warning: because of relocation of stations and changes in measuring techniques these
time series may contain inhomogeneities.
Geographic coordinates of the stations and a graphical presentation next:
Stn,
008,
135,
147,
200,
202,
210,
220,
225,
229,
230,
235,
239,
240,
242,
248,
249,
250,
251,
252,
253,
254,
255,
260,
265,
267,
268,
269,
270,
271,
272,
273,
275,
277,
278,
X,
156971,
151696,
170118,
84162,
85211,
88750,
86494,
98450,
110125,
112762,
114254,
111995,
110750,
123800,
140525,
127350,
141450,
152200,
10240,
-50309,
80512,
-73871,
140827,
147250,
154725,
158345,
164125,
178970,
152850,
186309,
188850,
188330,
209000,
214550,
Y,
zm,
501253, 10.0,
564704, 10.0,
518891, 14.0,
450705, 10.0,
468368, 16.0,
464425, 10.0,
559222, 00.0,
497450, 18.5,
556875, 10.0,
553358, 14.0,
549042, 10.0,
763069, 59.2,
482550, 10.0,
583850, 10.0,
516175, 10.0,
517350, 10.0,
596163, 10.0,
600600, 10.0,
583356, 73.8,
940306, 103.3,
476658, 27.6,
1482790, 101.3,
456835, 20.0,
460075, 10.0,
545250, 10.0,
505543, 10.0,
497125, 10.0,
581970, 10.0,
544400, 10.0,
514332, 14.0,
523975, 10.0,
451950, 10.0,
603125, 10.0,
494625, 10.0,
zstn,
-4.2,
3.0,
0.0,
0.0,
0.0,
-0.2,
0.0,
4.4,
1.0,
0.0,
0.6,
0.0,
-4.4,
0.0,
-1.2,
-2.5,
1.0,
0.5,
0.0,
0.0,
0.0,
0.0,
2.0,
11.9,
-0.9,
0.0,
-4.0,
1.5,
2.6,
0.0,
-3.1,
44.4,
3.0,
4.0,
Name
Lelystad-Haven
Kornwerderzand
Urk
Ypenburg
Katwijk Paal
Valkenburg
L.S. Texel
IJmuiden
Texelhors
Den Helder
De Kooy
F3
Schiphol
Vlieland
Wijdenes
Berkhout
Terschelling
Hoorn (Tersch.)
K13
AUK-alpha
Meetpost Noordwijk
North Cormorant
De Bilt
Soesterberg
Stavoren-AWS
Houtrib
Lelystad
Leeuwarden
Stavoren-Haven
Ramspol
Marknesse
Deelen
Lauwersoog
Heino
279,
280,
283,
285,
286,
290,
308,
310,
311,
312,
313,
315,
316,
320,
321,
323,
324,
325,
328,
330,
331,
340,
343,
344,
348,
350,
356,
370,
375,
377,
380,
391,
601,
603,
235125,
235200,
241400,
222037,
272775,
257978,
15010,
30475,
35636,
32824,
6038,
58390,
37852,
36662,
10044,
51250,
59300,
54186,
46646,
65550,
72030,
82820,
81025,
90125,
123350,
123731,
138300,
156800,
177000,
181300,
182614,
211100,
179080,
209248,
529750,
571350,
454500,
621279,
580150,
477076,
378610,
385125,
377878,
421369,
392714,
384990,
408733,
437913,
447580,
394325,
401630,
408196,
409836,
445050,
388524,
384700,
434250,
441000,
442580,
397594,
429900,
383950,
407500,
356375,
325240,
390150,
373378,
481154,
10.0, 15.6,
10.0,
3.5,
10.0, 29.0,
18.0,
0.0,
10.0,
0.2,
10.0, 34.5,
17.1,
0.0,
27.0,
8.0,
16.5,
0.0,
16.5,
0.0,
16.5,
0.0,
16.0,
0.0,
16.5,
0.0,
38.3,
0.0,
29.1,
0.0,
10.0,
0.7,
16.5,
0.0,
10.0, -4.0,
10.0, -0.2,
15.0,
0.0,
16.5,
0.0,
10.0, 14.9,
10.0,
0.0,
10.0, -4.8,
10.0, -0.7,
10.0, 11.1,
10.0,
0.9,
10.0, 20.3,
10.0, 21.1,
10.0, 30.0,
10.0, 125.6,
10.0, 19.0,
00.0,
0.0,
00.0,
0.0,
Hoogeveen
Eelde
Hupsel
Huibertgat
Nieuw Beerta
Twenthe
Cadzand
Vlissingen
Hoofdplaat
Oosterschelde
Vlakte van de Raan
Hansweert
Schaar
L.E. Goeree
Europlatform
Wilhelminadorp
Stavenisse
Zierikzee
Roggenplaat
Hoek van Holland
Tholen
Woensdrecht
R'dam Geulhaven
Zestienhoven
Cabauw
Gilze-Rijen
Herwijnen
Eindhoven
Volkel
Ell
Beek
Arcen
Someren
Diepenveen
Owner of the data is the ''Royal Netherlands Meteorological Institute'' These data can be
used freely provided that this source is acknowledged. The data are available via the link,
mentioned under "Data set 5"
The zipped files comprise the available period of data in ASCII-format, for W95/XP
systems, or UNIX systems.