What is the real cause for the flash floods ?

Is it due to the water drainage capacity is overwhelmed by the heavier than usual intensity of the rain ?

Or is it due to the mean level of sea has also risen momentarily such that the outgoing water is on level with it (temporarily ) ?

Wide spread heavy rain fall in large areas in Johor and the water flowing out to sea in and around Singapore, could be substantial enough to raise the sea level momentarily.

Just an opinion. Perhaps some one here could explain ?

TeeKee said:

simple lah...you don't need a phD to answer this..

sgp building too much stuffs and packing too many people in one small island....

hence the country is sinking...

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Bingo..Tee Kee you are soooo veryyy smartttyyy

two causes:

1) Complacence -- Singaporeans are too complacent

2) Ignorance -- Singaporeans are too ignorant

P.S. "Singaporeans" above do not include PAP members, their relatives, affiliates et al... It refers to peasants generally..

GoFlyKiteNow said:

Is it due to the act of God?

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Yes, that's right.

Yesterday afternoon, picked up this passenger who stay in Bukit Timah. He just sent his Mercedes E Class for scrap. The flood has damaged his car. He thinking of selling his house cos' he said he felt stressed by the once in 50 years thing.

manokie said:

Yes, that's right.

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GoFlyKiteNow said:

Is it due to the water drainage capacity is overwhelmed by the heavier than usual intensity of the rain ?

Or is it due to the mean level of sea has also risen momentarily such that the outgoing water is on level with it (temporarily ) ?

Wide spread heavy rain fall in large areas in Johor and the water flowing out to sea in and around Singapore, could be substantial enough to raise the sea level momentarily.

Just an opinion. Perhaps some one here could explain ?

Click to expand...

More and more of Singapore is now covered with concrete (new developemnts). In the past, when it rains, water gets absorbed by the fields (remember when there was no Ngee Ann city and it was just a big field how about where Ion is now?). However when gorund is cemented over, water rushes into drain and can overwhelm the drainage. In short, as you do more development, you must increase drainage - something that they have not done. If you just follow the Bukit Timah canal and track the increase in development - area cemented over - all the way to upper bukit timah, you will see a many fold increase over the lat 30 years. However BKT canal has remained the same all these years. So the monet it rains, all that water rushes into drains and overwhelm it.

Marina Barrage is an artificial barrier and should it have a higher water level than sea level, it may slow the flow of water from the canals.

Water from JB flowing into the sea will not raise sealevel. It might change salinity but not possible to raise sea level.

longbow said:

More and more of Singapore is now covered with concrete (new developemnts). In the past, when it rains, water gets absorbed by the fields (remember when there was no Ngee Ann city and it was just a big field how about where Ion is now?). However when gorund is cemented over, water rushes into drain and can overwhelm the drainage. In short, as you do more development, you must increase drainage - something that they have not done. If you just follow the Bukit Timah canal and track the increase in development - area cemented over - all the way to upper bukit timah, you will see a many fold increase over the lat 30 years. However BKT canal has remained the same all these years. So the monet it rains, all that water rushes into drains and overwhelm it.

Marina Barrage is an artificial barrier and should it have a higher water level than sea level, it may slow the flow of water from the canals.

Water from JB flowing into the sea will not raise sealevel. It might change salinity but not possible to raise sea level.

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Very good analysis. Very good indeed.

You might want to add that no ministers, PAP MPs and civil sevants dare to blame the Marina Bay Barrage. Why. well it is because it is the pet project of the old fox before he dies!

GoFlyKiteNow said:

Is it due to the water drainage capacity is overwhelmed by the heavier than usual intensity of the rain ?

Or is it due to the mean level of sea has also risen momentarily such that the outgoing water is on level with it (temporarily ) ?

Wide spread heavy rain fall in large areas in Johor and the water flowing out to sea in and around Singapore, could be substantial enough to raise the sea level momentarily.

Just an opinion. Perhaps some one here could explain ?

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Agreed with many here, too many construction and buildings. One of the man culprit is underground constructions and projects such as mrt, underground services tunnel they built or building.These causes the water table to rise because instead of containing water in the ground, the vast area taken up by these impermeable concrete structures pushes water table up and thus ground above floods easly..
Marina barrage is another choke a block. If you temper with nature's flow, you need a superman to manage it!

Look! If the PAP were competent, we should have built huge underground drainage by micro tunneling, HK has typhoons to deal with and they are doing underground drainage. PAP would rather lie that there is no land to build more drainage, or if anyone brings up underground drainage, they would cite cost reasons and say that the ppl must pay with higher GST. Everyone will just keep quiet, when they hear higher GST.

So the floods are caused by :

PAP's complacency and

The people's ignorance.

longbow said:

More and more of Singapore is now covered with concrete (new developemnts). In the past, when it rains, water gets absorbed by the fields (remember when there was no Ngee Ann city and it was just a big field how about where Ion is now?). However when gorund is cemented over, water rushes into drain and can overwhelm the drainage. In short, as you do more development, you must increase drainage - something that they have not done.

Water from JB flowing into the sea will not raise sealevel. It might change salinity but not possible to raise sea level.

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Agree with you on the cemented ground theory. But it also depends of the seepage rate of the soil.

On the sea level, as per laws of physics, yes, there should not be any increase in sea level. But then, what about momentary localized rise of sea level due to factors such as sea currents and wind etc that can cause changes during the period of heavy rain ?

xebay11 said:

Look! If the PAP were competent, we should have built huge underground drainage by micro tunneling, .

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How will the water drain out to sea, if the water level in the underground drainage is lower than the sea level ?

Is this a sign of global warming?

longbow said:

Water from JB flowing into the sea will not raise sealevel. It might change salinity but not possible to raise sea level.

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Here is a small extract on some study paper done -

Impacts of sea level rise in West Johor
Sea level anomalies in the Singapore Strait due to storm surges of the South China

83 In this study, we focus on extreme sea level anomalies (> 30cm) in the Singapore Strait
84 (SS) which are of great importance for the damages induced to the coastline, and we
85 relate them to large scale wind patterns over the entire SCS. We use the de-tided residual
86 heights from a long term (23.5 years) tidal record available at the Tanjor Pagar (TG)
87 station (Figure 1) as well as TOPEX/Poseidon satellite altimetry. It has become known
88 that the wind is one of the primary factors, if not the most critical one, responsible for
89 anomalous sea levels in the Singapore Strait as well as in other coastal areas of the world
90 ocean, like the North Sea and Adriatic Sea in the Mediterranean. The dominant wind
91 patterns over the SCS are the Northeast and Southwest (SW) monsoons which are
92 responsible for the strong seasonality of the atmospheric circulation over the SCS

---

239 It has been noted that sea level dynamics in the Singapore Strait is the resultant of
240 combination of two major independent forces, astronomic and atmospheric; therefore an
241 extreme sea level might be constituted of the wind-induced surge having typical duration
242 from several days to a week, and an hour-long peak tide. The stronger the NE wind is,
243 and the closer the storm surge event to a spring tide, the higher is the resultant sea level in
244 SS. However, such extreme combinations are not frequent, and the majority of noticeable
245 cases are distributed somewhere between moderate storm surges during a spring tide and
246 strong storm surges during an intermediate tide. For example, SLAs corresponding to the
247 highest sea levels of the year (marked in the boxes), in Figure 6 (a, b & c) and Figure 7 (a,
248 b, c & d) are relatively smaller than other SLAs in the respective years, which indicate significant contribution of high tides. On the other hand, some
249 storm surges (even
250 extreme) occurring during neap tides can be unnoticed in tide gauge records.

Even the longkang are covered up with concrete and converted to footpath for pedestrain, jogger and cyclist.

Besides Haig road, next to Joo Chiat, this longkang are covered from Changi road up to East Coast. So flood water cannot simply overflowing the banks during heavy rains. But somewhere along it's drainage point, it has to choke and cause localise flooding.

It's the barrage! the water can't flow out freely to the sea.

See the way they designed highway, you know they don't understand what is "BOTTLENECK".

Why can't the mediacock go interview and ask some experts for comment. Instead they showed Typhoon Conson hits Hainan island and Phillippines.

Are they trying to tell Sinky that the flood in Singapore is not major? Are they trying to tell us that we should be happy coz we don't have any death toll during flood.

heaven not happy lah

look down and see so much garbages choking everywhere!

so pour and pour lor...so simple!

GoFlyKiteNow said:

Is it due to the water drainage capacity is overwhelmed by the heavier than usual intensity of the rain ?

Or is it due to the mean level of sea has also risen momentarily such that the outgoing water is on level with it (temporarily ) ?

Wide spread heavy rain fall in large areas in Johor and the water flowing out to sea in and around Singapore, could be substantial enough to raise the sea level momentarily.

Just an opinion. Perhaps some one here could explain ?

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Your comments were basically technical point of views. The other reason for the flood is the same as the reason for not building a Casino Singapore. When the old man rejected a Casino in Singapore he was right about it. Now you have his son to introduce Casino in Singapore and now he got too much 'heavenly shui' or wealth from the Casino overflowing into the shopping and biz districts and to every homes in Singapore. Only those private land properties have benefit from 'heaven shui' or wealth but the poor HDB dwellers did not have them. Most HDB blocks come with a void deck on the ground floor and you know 'void' means - nothing.

So Casino in Singapore brings in more 'heavenly shui wealth' to Sinking land and how lucky Singaporeans are to have a good and stable gahments who knows what to give to their citizens ... hehehe

1sickpuppy II said:

Is this a sign of global warming?

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it is a sign of minister warming lah..

yes, casinos bring plenty of sui..

so more and more sui lor..

simple as abc...

next time you go out, pls bring your swimming trunks!!!