WINARTI, FARAH ANGGI (2023) SEBARAN KONSENTRASI FOSFAT DAN MATERIAL PADATAN TERSUSPENSI DI PANTAI TIRANG, KOTA SEMARANG, JAWA TENGAH. Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK
(Farah Anggi Winarti. Sebaran Konsentrasi Fosfat dan Material Padatan
Tersuspensi di Pantai Tirang, Kota Semarang, Jawa Tengah. 26050117130075.
Muslim dan Lilik Maslukah).
Aktivitas masyarakat seperti tambak dan pemukiman di sekitar Pantai
Tirang dapat mempengaruhi kondisi pesisir dan perairan karena limbah yang
dihasilkan. Tujuan dari penelitian ini, yaitu untuk menganalisis sebaran konsentrasi
fosfat dan material padatan tersuspensi di Pantai Tirang, Kota Semarang, Jawa
Tengah kaitannya dengan kualitas perairan. Analisis konsentrasi fosfat
menggunakan metode dalam prinsip asam dan analisis material padatan tersuspensi
menggunakan metode gravimetri. Pola persebaran konsentrasi fosfat dan material
padatan tersuspensi dianalisis menggunakan perangkat lunak Quantum GIS 3.28.7.
Analisis korelasi pearson menggunakan program Ms. Excel. Hasil penelitian
menunjukkan bahwa konsentrasi fosfat berkisar antara 0,039-0,439 µmol/l dan
konsentrasi material padatan tersuspensi berkisar antara 7,4-40,2 mg/l. Korelasi
antara konsentrasi fosfat dan material padatan tersuspensi menunjukkan keeratan
sedang, yaitu sebesar 0,44. Pola persebaran konsentrasi fosfat dan material padatan
tersuspensi semakin ke arah laut, kuantitasnya semakin menurun. Arah arus tidak
berpengaruh terhadap distribusi konsentrasi fosfat, sedangkan pola persebaran
konsentrasi material padatan tersuspensi dipengaruhi oleh arah arus, yaitu dominan
ke arah barat laut.
Kata kunci: Fosfat, Material Padatan Tersuspensi, Pantai Tirang, Korelasi Pearson

ABSTRACT
(Farah Anggi Winarti. The Distribution Of Phosphate Consentration and
Suspended Solid Material in Tirang Beach, Semarang City, Central Java.
26050117130075. Muslim and Lilik Maslukah).
Community activities such as ponds and settlements around Tirang Beach
can affect coastal and water conditions due to waste generated. The purpose of this
study was to analyse the concentration of phosphate and suspended solid material
and to determine the distribution and correlation between phosphate and
suspended solid material in Tirang Beach, Semarang City, Central Java. Phosphate
concentration analysis uses the acid principle, and suspended solid material
analysis uses gravimetric methods. The concentration distribution pattern of
phosphate and suspended solids is analysed using Quantum GIS 3.28.7 software.
Pearson correlation analysis using Excel's programme. Research results show that
phosphate concentrations range from 0.039–0.439 mg/l and suspended solid
material concentrations range from 7.4–40.2 mg/l. The correlation between
phosphate concentration and suspended solid material shows a moderate density
of 0.44. The concentration distribution of phosphate and suspended solid material
is increasing towards the sea, and the quantity decreases. The direction of the
current has no effect on the concentration distribution of phosphate, while the
pattern of concentration distribution of suspended solids is influenced by the
direction of the current, i.e. dominant northwestward.
Keywords: Phosphate, Suspended Solids Material, Tirang Beach, Pearson
Correlation

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