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Rumah Mertua (´the House of the Parent´s in Law´) is a small boutique hotel with 11 comfortable bedrooms and a traditional restaurant with romantic garden environment.

Located in the Javanese cultural center of Jogjakarta, Rumah Mertua combines the luxury of a good hotel with the environment of a traditonal Javanese house.
         
Only 15-minutes drive to the center of Jogjakarta, Rumah Mertua is the ideal place to stay whilst discovering Java´s natural beaches, mountains, volcanoes, Hindu Temple Prambanan, the Sultan´s Palace and the world´s biggest Buddhist temple: Borobudur.

Open 10:00 AM till 09:00 PM, our restaurant offers traditional Indonesian food for reasonable prices in a romantic garden environment. Our special menu is the Rijsttafel (10 different dishes)

Rumah Mertua also provides exclusive tour arrangements to places inside and around Jogjakarta. You can visit Borobudur and Prambanan Temples, Dieng Plateau or have a city tour to Jl. Malioboro, The Sultan´s Palace, Taman Sari Water Castle and many more attractions.

Large group tours are available daily or you may prefer to rent our car for a very reasonable cost (fee includes gasoline and driver).

The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. Since part of this re-radiation is back towards the surface and the lower atmosphere, it results in an elevation of the average surface temperature above what it would be in the absence of the gases.^[1][2]
Solar radiation at the frequencies of visible light largely passes through the atmosphere to warm the planetary surface, which then emits this energy at the lower frequencies of infrared thermal radiation. Infrared radiation is absorbed by greenhouse gases, which in turn re-radiate much of the energy to the surface and lower atmosphere. The mechanism is named after the effect of solar radiation passing through glass and warming a greenhouse, but the way it retains heat is fundamentally different as a greenhouse works by reducing airflow, isolating the warm air inside the structure so that heat is not lost by convection.^[2][3][4]
If an ideal thermally conductive blackbody was the same distance from the Sun as the Earth is, it would have a temperature of about 5.3 °C. However, since the Earth reflects about 30%^{[5] [6]} of the incoming sunlight, this idealized planet's effective temperature (the temperature of a blackbody that would emit the same amount of radiation) would be about −18 °C.^[7][8] The surface temperature of this hypothetical planet is 33 °C below Earth's actual surface temperature of approximately 14 °C.^[9] The mechanism that produces this difference between the actual surface temperature and the effective temperature is due to the atmosphere and is known as the greenhouse effect.^[10]
Earth’s natural greenhouse effect makes life as we know it possible. However, human activities, primarily the burning of fossil fuels and clearing of forests, have intensified the natural greenhouse effect, causing global warming.^[11]

Die temperatuur van die aardoppervlak word bepaal deur 'n ewewig van 'n aantal faktore.
Faktore wat warmte toevoeg is:

• straling van die son wat nie dadelik teruggekaats word nie;
• interne verhitting van die Aarde.

Faktore wat warmte van die planeet onttrek is:

• verdamping van water;
• konveksie en
• infrarooibestraling van die aardoppervlak na die heelal (uitstraling), volgens die Wet van Stefan-Boltzmann.

Ander warmtebronne, soos die hitte afkomstig van die verbranding van fossielbrandstowwe, afgesien van die gepaardgaande vrystelling van kweekhuisgasse, het min tot geen effek op die gemiddelde temperatuur van die planeet nie.
Die bydrae van sonlig en die afnemende uitstralingshitte is op 'n ingewikkelde manier afhanklik van 'n aantal omstandighede:

• Ys en sneeu verminder die hoeveelheid geabsorbeerde sonstraling en verminder ook die uitstraling.
• Wolke weerkaats sonlig terug, maar verhinder uitstraling.
• Kweekhuisgasse absorbeer straling uit beide rigtings, wat resulteer in verminderde uitstraling.
• Fyn stof in die lug weerkaats veral sigbare lig en verminder dus uiteindelik die opwarming deur die son; bowendien vergemaklik dit die vorming van wolke.
• Sommige stowwe (soos roet) veroorsaak dat wolke minder weerkaats, terwyl ander stowwe (soos swaweldioksied) dit juis laat toeneem.

Voorbeelde van kweekhuisgasse is waterdamp (veroorsaak 36-70% van die kweekhuiseffek, wolke uitgesluit), koolstofdioksied (9-26%), metaan (CH₄, veroorsaak 4-9%) en osoon (O₃, veroorsaak 3-7%).