| Your name: | Rich Walker | Observation date: | 25/3/2013 |
| Site Visited | Porth yr Ogof |
Church Sinks Observations
The river water was Sinking into the river bed
Church sinks flora: NOT VISITED
Church sinks fauna: NOT VISITED
Church sinks water temperature: NOT VISITED
General Church Sinks observations: NOT VISITED
Top Entrance Observations
Accessible by walking up the riverbed?: Yes
Top Entrance Flora: Moss,
Top Entrance fauna: A small bird - maybe a robin. Otherwise nothing.
Top Entrance water temperature: 3C
Top Entrance general observations: Entrance clear of thorns. Loose stones in entrance.
Dives done into Top Entrance?: Yes
Top Entrance Dive Log
Top Underwater Visibility: Good
Top Water flow: Medium
Tope entrance underwater fauna:
Top Entrance other observations: Relined Cobbett's loop from iron shoe to upper cave water chamber. Line surveyed from iron shoe to airbell just short of UCWC.
Tradesman's Entrance Observations
Tradesman's flora: NONE RECORDED
Tradesman's fauna: NONE RECORDED
Tradesman's water temperature: NONE RECORDED
Tradesman's water level: 30cm BELOW approx
Did you dive at Tradesman's Entrance?: Yes
Tradesman's underwater visibility: See below
Tradesman's water flow: Medium
Tradesman's underwater fauna: Approximately 6 trout. Varying levels of pigmentation. One small bullhead.
Tradesman's general observations: Tin can, plastic bucket seen near entrance. Line in need of a little work to replace a few tie offs. Temp 4C (Uwatec gauge). Visibility readings - mutiple measurements made with Secchi disk, different light sources and two independent observers. Used: Little Monkey head light (LMHL), Halcyon Mini-Explorer LED light (HME), Halcyon 10W HID, Light and Motion Sola2000W video light. Observer 1: LMHL (low setting) - 3.6m HME - 4.6m Observer 2: LMHL (low) - 4.7m LMHL (m&high) - 4.2m HHID - 5.6m L&M (low setting) 3.8m
Main Entrance Observations
Main Entrance flora:
Main Entrance fauna:
Main Entrance water temperature:
Main Entrance general observations:
Resurgence Observations
Resurgence flora:
Resurgence fauna:
Resurgence water temperature:
General resurgence observations:
Little Neath River Cave Observations
LNRC Observations:
Final Observations
General Observations: We will return tomorrow to complete other observations