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INTRODUCTION
NIGERIA
PRODUCTS DEVELOPMENT AND DISSEMINATION-ICAM
PRODUCTS
Picture 1: A section of NIOMR Information center private reading facility.
Picture 2: Students from the University of Lagos on a visit to the NIOMR Information center.
ODINAFRICA in Nigeria is implemented by the Nigerian Institute for Oceanography and Marine Research (NIOMR) established in November 1975 by the Research Institutes Establishment Order of 1975.
INFORMATION CENTRE
ACTIVITIES
The Library was established in 1975 to source, acquire, orga-nize and make available various materials that will help to meet the Institute’s and interested users’ research needs, bearing in mind the mandate of the Institute.
The center received book donations of 520 FAO publications from the FAO office Abuja Nigeria. The center is fully automated with access made easy through INMAGIC use.
• Creation of data base for NIOMR Technical papers. • List of Marine Professionals in Nigeria (for African Direc
• Subscribes to Journals in the following subject areas:• Aquaculture, Marine Biology, Fishing Technology, Fish
Also through this project, the library has:• Successfully designed and published a brochure. • Prepared a workable business plan. • Prepared a collection development plan which serves as
tory).
Tech, Economics and Statistic, Oceanography and Geology.
– Created awareness – Through two successful presenta
– Successfully compiled a list of Marine Professionals and
tions at the two National workshops held to sensitize the users and the general public about the project and the benefits.
Scientist in NIOMR and Institutions. • The data center makes data available to the Government,
• The Institute’s research officers and staff of the data center
• Three area Universities (Dept of Marine Sciences
• The Data centre usually provide data to the Hydrographic
• Near-shore bathymetric maps have been collated and
• The center compiled and sent the Nigeria meta data to the
• The Nigeria NODC mailing list has been expanded to
• The collections of the NODC has included Meta data and
NGOs, consultants, policy makers, researchers and students.
are involved in WMO, GOOS and IOCEA regional activities.
University of Lagos –UNILAG, Dept of Geology Obafemi Awolowo University Ile Ife and the Oceanographic Department of University of Calabar).
Division of the Nigerian Navy for the production of tide tables annually.
archived.
IOC designated compilers for uploading to the MEDI-Africa site.
accommodate the representatives of institutions collaborating with it.
datasets in the area of Fisheries, Biology, Economics and statistics. Forms requesting individuals and organizations to summit to the center data and Meta data have been distributed.
• The Nigerian NODC website (www.nodc-nigeria.org).
– NIOMR Technical Papers. – NIOMR Occasional Papers.– NIOMR Annual Reports.– CD-ROMs of the Library Database.– Library Brochure.
The Nigerian coastal and marine area with a coastal length of 853km is a narrow coastal strip of land bordered by the Gulf of Guinea of the Central Eastern Atlantic. The coastal areas stretch inland for a distance of about 15km in Lagos to about 150km in the Niger Delta.
ACOUSTIC DOPPLER CURRENT (ADCP) PROFILING SURVEYAn Acoustic Doppler Current Profiler (ADCP) is an electronic instrument to measure how fast water is moving across an entire water column. It can also have sensors for measuring water temperature, bathymetry, salinity, tides, etc across the water column.
EXAMPLE OF ADCP DATA FROM THE COMMODORE CHANNEL OPENING TO THE ATLANTIC OCEAN IN LAGOS
tracking, Circulation currents, Discharge, Model verification, Navigation/traffic control, Near-shore processes, Open-ocean currents, Ports/Harbors, Profiling, Sediment trans-port, Sewage outfall, Benthic research, Hydraulic research, Tidal elevation, Wave data.
ADCP data applications
Backscatter, Bottom boundary, Flow field mapping, Bottom
TIME: 14:038 PM – 14: 50 PM DATE: 20/02/08 PROFILE DIRECTION EAST– WESTTIDAL PHASE: EBBSTARTLAT/LONG: 06 24 56.2//003 24 21.1ENDLAT/LONG: 06 25 03.2//003 23 47.9
Discharge (Btm) Left to Right # Ensembles 323 Start Time 03:05:21 Duration 418.52 [s] Total Q 2706.65 [m³/s] Top Q 251.44 [m³/s] Measured Q 2031.55 [m³/s] Bottom Q 414.89 [m³/s] (T+M+B) Q 2697.88 [m³/s] Left Velocity 0.064 [m/s] Right Velocity -0.303 [m/s] Width 1098.38 [m] Total Area 11641.52 [m²] Flow Speed 0.232 [m/s] Flow Dir. 198.81 [°] End Ens # 1056
1 2
Uyo
Lagos
Owerri
Calabar
Benin City
Port Harcourt
Bonny
B I G H T O F B E N I N
Benin
River
Escra
vos Rive
r
Forca
dos River
Bonn
y Ri v
e r
Imo
Rive
r
Cros
s Riv
er
BARRIER COAST
MAHIN MUD
NIGER DELTA COAST
STRAND COAST
0 200 Kilometers
N
DrainageCoastlineCoastal DemarcationTowns
International Boundary
LEGEND
MAP OF THE NIGERIAN COASTAL ZONE SHOWING THE
COASTAL GEOMORPHOLOGICAL ZONES
DATUM: MINNASPHEROID: CLARKE 1880PROJECTION: TRANSVERSE MERCATORCENTRALMERIDIAN: 8.5 ELAT. OF ORIGIN: 4.0NFALSE EASTING: 670553.980mFALSE NORTHING: 0.0mSCALE FACTOR: 0.99975
GEODETIC INFORMATION
4°
4°
5°
5°
6°
6°
7°
7°
3°
3°
4°
4°
5°
5°
6°
6°
7°
7°
8°
8°3
3
4
4
5
5
6
6
7
7
8
8
4 4
5 5
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7 7
Average Intensity of Ebb Water Discharge.
Velocity Magnitude of Ebb Water Discharge.
NIOMR research areas supporting and generating data
• Marine Geology/Geophysics.• Marine Fisheries Programme.• Physical and Chemical Oceanography.
necessary for ICAM in Nigeria.
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Prevailing south westerly wind direction Prevailing W- E Guinea current
Down canyon current Prevailing longshore current direction
Prevailing south westerly wave approach Harbour structures
Nigerian continental shelf and patterns of oceanographic conditions (after Awosika et al).
Map showing the Nigerian geomorphologic zones (Awosika et. Al. 2000).
The area of interest for Nigeria.
areas stretch inland for a distance of about 15km in Lagos to areas stretch inland for a distance of about 15km in Lagos to
Mobilising for ADCP survey in the Lagos lagoon.
ADCP transect line in the Lagos Commodore Channel entrance to the Atlantic ocean.
ADCP sensor head: typical 4 beam ADC sensor head.
Schematic illustration of a typical ADCP beam configuration for survey vessel or boats.Sound pulses travel along the direction of each beam allowing the system to measure the Doppler shift at different depths.
CONTACT INFORMATION:Dr. Regina FolorunshoNigerian Institute for Oceanography and Marine ResearchWilmot Point Road, Bar-BeachPMB 12729, Lagos, NigeriaTel/fax: +234-1-2619517Email: rfolorunsho@yahoo.com
the basis for acquiring materials.
Funded byGovernment of Flanders
United NationsEducational, Scientific and
Cultural Organization,
DINAFRICAIntergovernmentalOceanographicCommission
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