WORKSHOP
MITIGATION OF DEBRIS FLOWS HAZARDS AND RISKS
(This workshop is a part of UWI Summer Course GL30D - Analysis and Management of Geohazards and Risks,
23
June to
ORGANIZED BY:
RAFI AHMAD
UNIT FOR DISASTER STUDIES,
DEPARTMENT OF GEOGRAPHY AND GEOLOGY, THE UNIVERESITY OF THE
SPONSORS:
CARIBBEAN CEMENT COMPANY
LIMITED (CCCL) AND
INTERNATIONAL CONSORTIUM ON
LANDSLIDES (ICL)
WORKSHOP
PRESENTERS
Doug VanDine,
PEng/PGeo,
With assistance from
Rafi Ahmad, Unit for
Disaster Studies, UWI, Mona,
PROGRAMME
7-8 July 2003,
Field Trip: To observe some debris flow sites and
strategies for mitigation.
Transportation will be provided.(Note: Bring your own refreshments).
SPECIAL FEATURE
PROBLEM
SOLVING SESSION:
Response to
questions/problems raised by concerned citizens and communities on protection and
loss reduction.
NOTE: QUESTIONS MUST BE SUBMITTED BY
25JUNE 2003.
WORKSHOP COST:
J$ 6, 500.00 per person.
Includes
refreshments on 7-8 July 2003 and field transport.
Make cheques payable to:
“GEOHAZARDS SUMMER COURSE,
GEOGRAPHY & GEOLOGY DEPARTMENT, UWI, MONA”
EARLY REGISTRATION IS RECOMMENDED AS SEATS ARE
LIMITED.
(Please Note: This workshop is a part of UWI Summer
Course GL30D - Analysis and Management
of Geohazards and Risks, 23 June to
FOR FURTHER
INFORMATION
CONTACT:
RAFI AHMAD rahmad@uwimona.edu.jm; geoggeol@uwimona.edu.jm
Voice: 876-927-2728/2129 Fax:
876-977-6029.
DETAILED PROGRAMME
Date |
Approx time |
Topic |
July 7 |
|
Workshop Opening
1 General Introduction to Debris Flow Workshop
1.1 Introduce Instructor 1.2 Introduce Course |
|
2 Introduction to Debris Flows and their Mechanics
2.1 Definition of Debris Flows and Related Phenomena 2.2 History of Knowledge and Research |
|
|
Refreshment Break |
|
|
2.3 Examples of Debris Flows (Videos and Slides) (VanDine and Ahmad) 2.4 Mechanics/Rheology |
|
|
3
Conditions Conducive To Debris Flows
3.1 Drainage Area 3.2 Creek Profile 3.3 Source of Debris 3.4 Climatic Conditions/Source of Water 3.5 Triggering Events |
|
15.30 to 15.45 |
Coffee
Break
|
|
|
4 Character of Debris Flows in
Transportation and Deposition Zones
4.1 Character of Debris Flows in Transport Zone 4.2 Character of Debris Flows in Deposition
Zone 5 Geomorphic
Setting for Debris Flows in
|
|
July 8 |
|
6 Debris Flow
Recognition, and Hazard and Risk Analyses
6.1 Debris Flow Recognition 6.2 General Landslide Hazard and Risk Analysis Terminology |
|
Refreshment Break |
|
|
6.3 Hazard and Risk Analyses (Gully Assessment Procedure) |
|
|
7 Mitigation
of Debris Flow Hazards and Risks
7.1 Active and Passive Mitigation 7.2 Design Considerations for Control Structures and Road Crossings |
|
15.30 to 15.45 |
Coffee Break |
|
|
7.3 Types of Control Structures in the
Deposition Zone 7.4
Road Crossings across Debris Flow Prone Creeks |
|
July 9 |
|
Practical
Exercise:
Topographic map and photo interpretation of a typical debris flow
including geology, geomorphology, mitigation strategies (VanDine
and Ahmad) (Obligatory for students
registered for GL30D Summer Course) |
|
Field Trip: To observe some debris flow sites and strategies for mitigation. (Ahmad and VanDine) Transportation will be provided. (Obligatory for students registered for GL30D Summer Course). |
|
July 10 |
|
General Discussion: Response to questions/problems raised by concerned citizens and communities on protection and loss reduction. |