Saturday, July 2, 2016

Fenomena Awan Ribut

Fenomena awan ribut atau Garis Badai berlaku pada daerah Beaufort, Kota Kinabalu pada 27 Jun 2016
Maksud & Ciri-ciri Garis Badai:
- Garisan ribut petir yang bergerak dan boleh mencapai seratus kilometer.
- Mempunyai tempoh hayat beberapa jam
- Menghasilkan langkisau dan hujan lebat yang dahsyat
- Kerap berlaku semasa tiupan angin monsun barat daya di sepanjang pantai barat Semenanjung  
  Malaysia dan kawasan pantai Malaysia Timur menghadap Laut China Selatan



Tuesday, December 29, 2015

Alam Sekitar Vs Manusia

KBAT: Proses urbanisasi mengancam alam sekitar. Tindakan manusia seperti aktiviti pembandaran, pembalakan, pertanian dan perlombongan telah membawa kepada kemusnahan alam sekitar yang indah dan cantik. Manusia perlu mencintai alam sekitar dengan tindakan yang wajah dan rasional. Manusia bergantung kepada alam sekitar bukan alam sekitar bergantung kepada manusia.

Wednesday, June 3, 2015

Pergerakan Plat Tektonik Secara Pencapahan / Pemisahan (Gelinciran/ Sesaran) di Miri, Sarawak

































































Thursday, December 25, 2014

Punca Banjir di Pantai Timur Malaysia 2015

 
Fenomena 'New Moon'/ Anak Bulan merupakan antara faktor yang mencetuskan banjir luar biasa di kawasan Pantai Timur Malaysia pada tahun 2015.
Keadaan banjir menjadi lebih teruk apabila ditambah dengan tiupan angin Monsun Timur Laut secara konsisten merentasi Laut China Selatan ke negara ini bermula bulan November hingga Mac.


Selain itu, hujan yang tidak berhenti sebelumnya menyebabkan aliran sungai dari hulu ke kuala tidak sampai sehingga menyebabkan air sungai melimpah keluar sehingga menyebabkan banjir teruk.

Sumber rujukan: BERNAMA ( http://www.bernama.com/bernama/v7/bm/ge/newsgeneral.php?id=1095715 )

Sunday, June 15, 2014

EL Nino















El Nino terjadi apabila berlaku peningkatan lebih tinggi daripada biasa suhu air di permukaan Lautan Pasifik berdekatan Garisan Khatulistiwa, iaitu melebihi 0.5 darjah Celsius.


Kesan El Nino boleh diukur mengikut kategori, iaitu lemah, sederhana dan kuat, dengan setiap kategori ditentukan berdasarkan tahap kenaikan suhu air di Lautan Pasifik.

Kebiasaannya, musim Monsun Barat Daya akan menyebabkan berlakunya kebakaran hutan di Sumatera dan Semenanjung Malaysia, sekali gus akan menyebabkan berlakunya jerebu.

Keadaan akan menjadi buruk sekiranya negara dilanda El Nino dalam kategori kuat yang boleh menyebabkan jerebu teruk dan tebal. Ini akan memberi kesan terutama kepada kesihatan, sektor pertanian, sektor penerbangan dan aktiviti luar.

Malaysia pernah dilanda El Nino sebanyak 12 kali sebelum ini, dengan yang terburuk pada tahun 1982, 1983, 1997 dan 1998.

Sumber: Berita Harian 16 Jun 2014


Sunday, June 23, 2013

Fenomena Jelebu 2013

Masalah jerebu yang melanda Malaysia pada Jun 2013 telah membuatkan sesetengah kawasan mempunyai indeks pencemaran udara (IPU) melebihi 100, yang dianggap tidak sihat.

Sesetengah kawasan di negeri Johor, Melaka dan Selangor adalah antara yang mengalami nilai status IPU melebihi 100.

Di Semenanjung Malaysia, keadaan berjerebu biasanya berlaku dari bulan Januari ke Februari dan Jun ke Ogos.

Selain itu, negara jiran Singapura turut dilanda jerebu tebal yang memenuhi ruang udara negara itu ekoran kesan kebakaran hutan di Sumatera, Indonesia.

Indeks Pencemaran Udara Malaysia (APIMS)


API

Status



0-50 Good

51-100 Moderate

101-200 Unhealthy

201-300 Very Unhealthy

>301 Hazardous



Fenomena Jelebu di Kuala Lumpur

Fenomena Jelebu di Singapura

Kebakaran hutan

Fenomena jelebu (Gambar satelit)

Thursday, November 15, 2012

The Lifecycle of Trash


How to Create Less Trash?


Reduce, reuse, recycle! Reduce the amount you discard, reuse what you have and recycle as much as you can.

Buy fewer things; buy only what you really need.

When you do need to buy something, buy it used. It will cost less and additional natural resources and energy won’t be used to produce it.

Pay attention to packaging. By purchasing items that have less packaging, you’ll avoid having extra trash to throw away or recycle. Look for items that come in packaging made from recycled materials; buying recycled materials helps close the loop in the reuse process.

Buy recycled items. Choose things that are made from recycled materials, such as notepads and other office supplies made from recycled paper, or clothing made from recycled plastic bottles.

Buy items that can be recycled – and then be sure to recycle them.

Donate used items. Once you’re ready to get rid of something, consider whether it still has some useful life left in it. If it does, donate it to charity.

Recycle it! You can recycle almost anything, from cans and bottles to clothes and computers. Don’t have recycling in your area? Then start up a recycling program! Talk to your local government. If they don’t support the idea, see if they can create a drop-off area where folks can recycle.


Source: http://channel.nationalgeographic.com/channel/human-footprint/trash-talk.html

Sunday, September 16, 2012

Penipisan Lapisan Ozon / Ozone Depletion

Lubang Ozon di Antartika
Lubang Ozon di Antartika
Lubang Ozon di Antartika
Kedudukan Ozon
Lapisan Ozon menghalang sinaran UV
Kesan UV
Punca penipisan lapisan ozon: Klorofluorokarbon (CFC)















































































































Saturday, June 9, 2012





Mawar strengthened to a typhoon soon after forming over the western Pacific Ocean in early June 2012. On June 3, 2012, the U.S. Navy’s Joint Typhoon Warning Center (JTWC) reported that Mawar was located roughly 435 nautical miles (805 kilometers) south-southwest of Kadena Air Base Okinawa. The storm had maximum sustained winds of 95 knots (175 kilometers per hour) with gusts up to 115 knots (215 kilometers per hour). Within 12 hours, wind speeds were forecast to increase to 105 knots (195 kilometers per hour) with higher gusts.

The Philippine Star reported that Typhoon Mawar (named Ambo in the Philippines) could still bring heavy rains. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) had warned that the storm might drop 15 to 25 millimeters (0.6 to 1.0 inches) of rain every hour. Residents of low-lying and mountainous areas were warned to watch for flash floods and landslides, and a landslide in Antipolo City had already injured three people.

As of June 4, the JTWC’s projected storm track for Mawar showed the storm turning toward the northeast and skirting Japan.

Sources: http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=78164