Case Study presentation: Urban Waste Management in a Changing Climate: The Case of Bitan-ag Creek Prof. Dexter Lo, RCE Northern Mindanao, Jan Taat, Sam Stephen Mangubat, Shaira Monique Baang, Janessa Lavin, and Mark Aldrich Co 11th Global RCE Conference 7-9 December, 2018 Cebu, the Philippines

1. Urban Waste Management in aUrban Waste Management in a
Changing Climate:Changing Climate:
The Case of Bitan-ag CreekThe Case of Bitan-ag Creek
Dexter Lo, Jan Taat, Sam Stephen Mangubat,
Shaira Monique Baang, Janessa Lavin, and Mark Aldrich Co

2. http://www.nscb.gov.ph/ru10/profile/cdo/pp.html
`the study area:

3. Source: NaMRIASource: Landsat MSS taken 1973Source: Landsat TM taken 1992Source: Landsat ETM+ taken 2002Source: SPOT taken 2005
courtesy of:
MAOSabines

6. January 16, 2017
January 11, 2009
Was there a
warning?!!

7. nationalgeographic.com
The New Normal?
2016

10. Source: XU Weather Station
Location: XU Main Campus
XUWS January Ave. Total Rainfall (2012-2013) ≈ 182mm
Aphrodite January Ave. Total Rainfall (1951-2007) = 92.65mm*
PAGASA-Lumbia January Ave. Total Rainfall (1977-2005) = 75.45mm*
*Data compliments of
Manila Observatory
PAGASA-Luna 2-day accumulated rainfall (January 10-11, 2009) = 162.7

11. XU Engineering Resource Center | 3/f Engineering Building | Xavier University Main Campus
9000 Cagayan de Oro City | Philippines | +63 88 8583116 ext 1208 | xuerc@xu.edu.ph
rainfall(mm)
rainrate(mm/hr)
Rainfall in XU Main Campus on December 15, 2015
Data Source: XU Weather Station
Location: XU Main Campus
Dec15,2015
Dec16,2015

12. December 2015
December 2015

14. Watershed and Floodplain Modelling of the Bitan-ag Drainage Basin (Lo et al, 2016)

15. Focus AreaLand Cover / Use
Watershed and Floodplain Modelling of the Bitan-ag Drainage Basin (Lo et al, 2016)

16. Focus AreaFocus Area
Condition 2: Clean Creek
Condition 1: Silted CreekDischarge from Cross Drains
Cross
Drain
Q (m3
/s)
Cross
Drain
Q (m3
/s)
1 0.5707 16 0.1343
2 0.5707 17 0.1343
3 0.5707 18 0.1077
4 0.6776 19 0.1077
5 0.2887 20 0.1077
6 0.2887 21 0.1077
7 0.2887 22 0.1077
8 0.2887 23 0.1077
9 0.3764 24 0.0200
10 0.1946 25 0.0200
11 0.1946 26 0.0200
12 0.1946 27 0.0200
13 0.1946 28 0.0200
14 0.2146 29 0.0200
15 0.2412 30 0.0200
Watershed and Floodplain Modelling of the Bitan-ag Drainage Basin (Lo et al, 2016)

17. Rainfall in XU Main Campus on January 16, 2017
XU Engineering Resource Center | 3/f Engineering Building | Xavier University Main Campus
9000 Cagayan de Oro City | Philippines | +63 88 8539800 ext 9184 | xuerc@xu.edu.ph
rainfall(mm)
Data Source: XU Weather Station
Location: XU Main Campus
PAGASA-Lumbia January Ave. Total Rainfall (1979-2008) = 84mm*
*

18. Simulated Hydrograph at the MR-XU Hospital Creek
XU Engineering Resource Center | 3/f Engineering Building | Xavier University Main Campus
9000 Cagayan de Oro City | Philippines | +63 88 8539800 ext 9184 | xuerc@xu.edu.ph
FlowRate(m3
/s)
Rainfall(mm)

19. Watershed and Floodplain Modelling of the Bitan-ag Drainage Basin (Lo et al, 2016)
XX
XX
XX
XX
XXXX
XX
XX
XX
XX
XX – flooded during Jan 16, 2017

20. community-based
solution:

21. community-based
solution:

22. The Award aims to highlight and honor significant efforts made by
Asian cities and organizations which try to achieve the 17 goals of SDGs
in terms of townscape with respecting local history and cultures.

23. Environmental IssueEnvironmental Issue
Developmental IssueDevelopmental Issue
Connectivity and ConvergenceConnectivity and Convergence

24. Watershed and Floodplain Modeling of the Bitan-ag Drainage Basin
s a l a m a t !