NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JANUARY/FEBRUARY 2013 EXAMINATION

ESM  341 :                  INTRODUCTION TO INSTRUMENTATION  MEASUREMENT

                                    AND FIELD METHODS IN ENVIRONMENTAL SCIENCE

Answer any FOUR questions

 TIME ALLOWED:    2 HOURS

1.  List and describe FIVE field and laboratory equipment used for environmental investigations.

2  a.  Explain THREE reasons for sampling in research.

    b.  Describe FOUR sampling methods.

3  a.  What is remote sensing?

    b.   List the advantages and disadvantages of  remote sensing.

    c.   List at least one application area of remote sensing in

               i.   Agriculture and Forestry.

               ii.  Geology.

               iii. Water resources.

               iv.  Oceanography and Marine.

               v.    Environment.

4  a.  Discuss the guidelines related to field activities.

                                           OR

    b.  Discuss the records that one needs to keep as investigator.

5.  a. Describe FOUR biological sampling instruments.

     b. Itemise the Investigator’s checklist before  a field project.

6.  a.  Describe FIVE meteorological observation instruments and corresponding variables they measure.

     b.  Compare fixed and mobile meteorological observation stations.