Water Molecules and Silicate Grains Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts. YERALTI SUYU.

... konulu sunumlar: "Water Molecules and Silicate Grains Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts. YERALTI SUYU."— Sunum transkripti:

1 Water Molecules and Silicate Grains Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts. YERALTI SUYU (GROUNDWATER)

2 There is a strong affinity for water molecules (H 2 O) to covalently bond with silicate grains (SiO 2 ). Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts.

3 Water molecules tend to cling to silicate grains. Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts.

4 As water molecules accumulate... Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts.

5 ... each molecule... Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts.

6 ... responds to inter-atomic forces and Yercekimi. Kum tanesi Su molekulu Base image modified by jfh (08/25/01) from: CTE0510.bmp © 1998 Tasa Graphic Arts. Yercekimi

7 Su Kabi Ince tubu suyun icine daldir...

8 Su Kabi Kapilari kuvvetlerden dolayi su tupte yukselmeye baslar

9 Su Kabi Su ince tupte yukseldi. Ince cam tup (SiO 2 )

10 Su Ince Tup (SiO 2 )

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12 Su ve cam arasindaki etkilesimden dolayi molekuller arasi cekim kuvvetiyle su cam duvarinda yukselir-tutulur

13 Yercekimi ile asagi cekilir YercekimiYercekimi Yercekimi

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16 1) T 1 zamanindaki azalan su yuksekligi

17 2) T 2 anindaki azalan su yuksekligi

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26 Creating coupled unconfined and confined aquifers.

27 Monitoring well fully-penetrating an unconfined aquifer.

28 Monitoring well fully-penetrating a confined aquifer.

29 The storage properties of unconfined aquifers are usually dominated by gravity drainage. Storage in an Unconfined Aquifer

30 The storage properties of unconfined aquifers are usually dominated by gravity drainage. Define Specific Yield. Storage in an Unconfined Aquifer

31 Define Specific Storage. The storage properties of confined aquifers are usually dominated by elastic effects. Storage in a Confined Aquifer

32 We “pressurize” the “aquifer”.

33 Storage in a Confined Aquifer We “pressurize” the “aquifer”.

34 Storage in a Confined Aquifer Release some water: VwVw

35 Storage in a Confined Aquifer Define Specific Storage.

36 Details on the geometry of drawdown and the “cone of depression”.

37 Scenario: Well discharging @ 50 gpm from a confined aquifer having these parameters: An Animation:

38 We will reconstruct the “cone of depression” at various times-after-start-of-discharge.

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41 View drawdown again

42 Scenario: Well discharging @ 50 gpm from a confined aquifer having these parameters:

43 We will reconstruct the “cone of depression” in plan view at various times-after-start-of-discharge.

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51 View drawdown again

52 Note that the cone of depression spreads regularly when the time steps are “quasi-logarithmic”.

53 Effects of a Discharging Well on the Hydraulic Head of an Aquifer.

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58 Unconfined Aquifer Compare drawdown in confined and unconfined aquifers.

59 Unconfined Aquifer Unconfined Aquifer h1h1 h2h2 h r1r1 r r2r2

60 Serbest Yuzeyli (Basincsiz) bir akiferdeki kuyu

61 Confined Aquifer m r1r1 r r2r2 h1h1 h2h2 h

62 Basincli bir akiferdeki kuyu T =m*K T= iletim kapasitesi

63 30 cm yaricapli bir kuyu 35 m kalinlikta bir akiferde 0.02 m3/s su cekmektedir. Pompaja uzun bir sure devam edildikten sonra pompaj kuyusunundan 17 ve 48 m uzakliktaki gozleme kuyularindan su yuzeyinin 3.6 ve 2.2 m alcaldigi gorulmustur. Zeminin iletim kapasitesini ve hidrolik iletkenligini hesaplayiniz. Poppaj kuyusunda azalma ne kadardir..

64 Verilenler Hesaplanan

65 Suyun bosluktan alinmasi Yandaki sekillerden hangisindeki su daha kolay birsekilde giderilebilir?

66 1) Bosluk Baglantilarin Buyuklugu 2) Bosluk Baglantilarin Sayisi 3) Bosluk Baglantilarin Duzgunlugu

67 Yeralti Suyunun kullanimi ve su seviyesindeki degisim

68 Yeralti suyunun kirletilmesi Kanalizasyonla Kirlenme Yollarda Kullanilan Tuzlar Tarimda Kullanilan Gubreler Pestisitler Kimyasal ve Endustriyel Maddeler

69 Yeralti suyunun kirletilmesi: Noktasal Kaynak Noktasal olmayan kaynak

70 Yeralti suyu kirliligi Atigin monitorlenmesi Kirleticilerin Biodegradable (Biyolojik parcalanma ) Remediation

71 Yeraltina Buhar enjeksiyon ile Remediation