INTRODUCTORY HYDROLOGY

UNESCO-NIGERIA TECHNICAL & VOCATIONAL EDUCATION
REVITALISATION PROJECT-PHASE II




NATIONAL DIPLOMA IN
CIVIL ENGINEERING TECHNOLOGY




INTRODUCTORY HYDROLOGY
COURSE CODE: CEC102


YEAR I- SE MESTER I
THEORY
Version 1: December 2008

, TABLE OF CONTENT



WEEK 1

1.0 INTRODUCTION

1.1 Define Hydrology
1.2 Brief history of hydrology
1.3 Hydrologic Cycle
1.4 Hydrology as applied in engineering

WEEK 2

1.5 The importance of the cycle in water resources
development.
1.6 Distinguishing between weather and climate
1.7 Pattern of circulation



WEEK 3 2.0 EVAPORATION

2.1 Definition

2.2 Measurement of evaporation


2.2.1 Evaporation tank or pan




WEEK 4 3.0 EARTH

3.1 Latitude

, 3.2 Longitude

3.3 Earth rotation

3.4

4.1 Humidity Earth revolution



WEEK 5 4.0 CLIMATE

4.2 Rainfall

4.3 Pressure

4.4 Temperature

4.5 Wind


WEEK 6 5.0 PRECIPITATION

5.1 Formation of precipitation
.5.2 Mechanism of precipitation
5.3 Cyclonic or frontal precipitation
5.4 Orographic precipitation

5.5 Convective precipitation

WEEK 7 5.6 Classification of precipitation

5.7 Forms of precipitation

5.8 Measurement of precipitation

5.9 The self-recording and non- rain gauge

5.9.1 The self recording gauge




WEEK 8 6.0 GAUGING A CATCHMENT

6.1 Sources of errors in reading Theissen

, instrument

6.2 Factors to be considered in locating

gauges
6.3 Gauge networks




WEEK 9.0 7,0 MEASUREMENT OF PRECIPITATION

7.1 Mean areal depth of precipitation

7.2 Interpretation of rainfall data

7.3 Determining rainfall patterns

7



WEEK 10 8.0 CONCEPT OF EVAPORATION AND

TRANSPIRATION

8.1 Importance of evaporation and

transpiration

8.2 Factors affecting transpiration



WEEK 11 9,0 MEASUREMENT OF PARAMETERS

9.1 Measurement of transpiration

9.2 Factors affecting transpiration




WEEK 12 10.0 RUN-OFF