Japan GIS/Mapping Sciences Resource Guide

(Third Edition)

Government Published Maps

HYDROGRAPHIC DEPARTMENT
BATHYMETRIC MAP FUNDAMENTALS

All Rights Reserved
Copyright © 1996, 1997, 1998 Stephan Pollard

Page Last Modified: June 28, 1998
URL http://www.cast.uark.edu/jpgis/jphdfund.html

About the Author: http://www.cast.uark.edu/~sp/index.html
Additions, Corrections, Comments to: Stephan Pollard sp@cast.uark.edu
Space courtesy of the Center For Advanced Spatial Technologies (CAST) http://www.cast.uark.edu

Copyright | Disclaimer

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HANDY REFERENCES
Paper Sizes
Japanese Year Conversion
"Have Computer Will Travel" by Erik Kassebaum
Universal Currency Converter by Xenon Laboratories, Inc.
Glossary/Punctuation Guide: English - Japanese (Romanized)
Japan Time and Business, Banking, and Government Office Hours by FinDat.com

Front Page | Table of Contents
DIRECTORIES | GEOSPATIAL DIGITAL DATA | IMAGERY
GOVERNMENT PUBLISHED MAPS

Scales and Common Names of Bathymetric Maps 

    Scale                Common Name                 
---------------------------------------------------------
   1:10,000 | 1:10,000 Basic Map of the Sea in Coastal Series, Bathymetric Map
   1:50,000 | 1:50,000 Basic Map of the Sea in Coastal Series, Bathymetric Map
  1:200,000 | 1:200,000 Basic Map of the Sea in Continental Shelf Areas, Bathymetric Map
  1:500,000 | 1:500,000 Basic Map of the Sea in Ocean Areas, Bathymetric Chart of the Adjacent Seas of Japan
1:1,000,000 | 1:1,000,000 GEBCO Plotting Sheet
1:3,000,000 | 1:3,000,000 Bathymetric Chart of the Adjacent Seas of Japan
1:8,000,000 | 1:3,000,000 Bathymetric Chart of the Adjacent Seas of Japan
Scale vs Actual Distance 
              On      On     On      On    
  Scale      Paper  Ground  Paper  Ground  
-----------------------------------------
   1:10,000 |  "     10.0m |  "      100m 
   1:50,000 |  "     50.0m |  "      500m 
  1:200,000 |  "    200.0m |  "    2,000m 
  1:500,000 |  "    500.0m |  "    5,000m 
1:1,000,000 |  "   1000.0m |  "   10,000m
1:3,000,000 |  "   3000.0m |  "   30,000m
1:8,000,000 |  "   8000.0m |  "   80,000m
Projections and Datums 
  Scale             Projection            Datum      Ellipsoid
----------------------------------------------------------------
   1:10,000 | Lambert Conformal Conic | Tôkyô 1949 | Bessel 1841         
   1:50,000 |           "             |     "      |     "
  1:200,000 |           "             |     "      |     "
  1:500,000 |           "             |     "      |     "
1:1,000,000 |        Mercator         |            |
1:3,000,000 |           "             |            |
1:8,000,000 |    Normal Polyconic     |            |
Datum Level and Data Control 
  Scale            Datum Level          Datum Control
----------------------------------------------------
   1:10,000 | Nearly Lowest Low Water | Track line           
   1:50,000 |           "             |       "     
  1:200,000 |           "             |      ---   
  1:500,000 |          ---            | Track line and area
1:1,000,000 |          ---            |      ---
1:3,000,000 |          ---            | Sounding density chartlet
1:8,000,000 |          ---            |      ---
Isobath Intervals 
 
                 Isobath                 Layered
  Scale          Interval                Coloring
----------------------------------------------------------------      
   1:10,000 |   1m            |             No
----------------------------------------------------------------      
   1:50,000 |   1m:   0-100m  | 0-20, 20-50, 50-100, 100-150,
            |   5m: 100-200m  | 150-200,200-500, 500-1000, 1000-
            |  10m: 200m-     |  
----------------------------------------------------------------
  1:200,000 |  10m:   0-200m  |             No 
            | 100m: 200m-     |
----------------------------------------------------------------
  1:500,000 |  10m:   0-200m  | 0-200, 200-500, 500-1000, and 
            | 100m: 200m-     | then at 1000m increments
----------------------------------------------------------------
1:1,000,000 | 200m, 500m and  |
            | then at 500m    |             No
            | increments      |
----------------------------------------------------------------
1:3,000,000 | 200m, 500m and  | 0-1000, 1000-2000, 2000-3000,
            | then at 500m    | 3000-4000, 4000-5000, 5000-7000,
            | increments      | 7000-
----------------------------------------------------------------
1:8,000,000 | 200m, 500m and  | 
            | then at 500m    |             No
            | increments      |
----------------------------------------------------------------
Contour Intervals 
 
               Index     Intermediate     Supplementary
  Scale       Interval    Interval         Interval(s)
----------------------------------------------------------------      
   1:10,000 |          |     10m        |            
   1:50,000 |   100m   |     20m        |      10m    
  1:200,000 |          |    100m        |       
  1:500,000 |    No    | 100, 200, 500, | 50, 300, 700m
            |          | 1000 and 1500m | contours only
            |          | contours.      |
1:1,000,000 |    No    |     No         |      No
1:3,000,000 |    No    |     No         |      No
1:8,000,000 |          |    500m        |
COPYRIGHT
The author grants the recipient of the Japan GIS/Mapping Sciences Resource Guide information contained herein the www.cast.uark.edu/jpgis/jphdfund.html Web page the right to freely reproduce, redistribute, rebroadcast, and/or retransmit this information for personal, noncommercial purposes, including teaching, classroom use, scholarship, and/or research, subject to the fair use rights enumerated in sections 107 and 108 of the Copyright Act (Title 17 of the United States Code). This document may be reproduced in whole or in part provided that this copyright notice is reproduced on each copy made. No part of this work may be reproduced or retransmitted for commercial purposes, in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage or retrieval system, except as expressly permitted in writing by Stephan Pollard.

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