Day 12-Our last coring day-- Coring Lago Chirripo! 第十二天--最后采芯日---采Chirripo湖~！

Today, we will core our last lake, Lago Chirripo. Another short sediment core will be extracted from this lake.

今天，我们将完成最后一个湖（Chirripo湖)的采样工作。采一根短芯。 

If we finish early, we will have a chance to visit the summit of Costa Rica (3820m a.s.l.)---Cerro Chirripo, after work.

如果一切完成得早，那么我们将有机会在采完样后去登哥斯达黎加最高峰Cerro Chirripo（海拔3820米）。

 

However, we didn't expect that the bad weather comes so early. From the same site that we took picture yesterday, the Lago Chirripo is barely seen today because of the extremely dense fog. 

然后我们并没有意料到坏天气今天来的如此早。从昨天同一个方位望下去，Chirripo湖在浓雾下完全看不见了都。。。。

 

We have no choice but hike down to the valley in fog.但是我们别无选择，必须在浓雾中下山到谷底去。

Short video see here on youtube 有一段一分钟的小视频，可以看出雾有多浓

 

Always watch out the slippery rocks. The slope is much steeper than we thought.往下行进时必须注意湿滑的岩石。山坡比我们预期的陡太多了。

 

Get closer 靠近一些看Chirripo湖

 

And closer 再靠近一点

 

Almost there 快到了。

 

A better view of the surroundings 好好看看湖周围都有什么

 

This is a pretty large and deep lake, as deep as 20 m. The short core extraction gonna be not easy. In the picture below, we are standing at the lake shore, and carefully checking corer, air boat and ropes for preparing coring work.

这是一个相当大的湖，而且深达20米。采短芯将有一定难度。在下图中，我们正在岸边为准备采样工作仔细检查仪器，气船和绳子。

 

Dave and I paddle an air boat to lake center, short core has to be collected here. (view from lake center) 导师和我划船来到湖心，沉积物短芯得从这里采起来。（图片是来自湖心的视角)

 

Moraine geomorphology at lake shore area. (view from lake center)

湖岸的冰碛地形（图片是来自湖心的视角)

 

One more (view from lake center)再来一张冰碛地形（图片是来自湖心的视角)

 

Coring is successful. But we forget to take a picture of the core, until we back to refugia and realize it....采芯很成功，但是我们忘了拍照。回到住处再拍吧。

On the way back to the ridge 返回山脊的途中

 

Mark our success! 标记一下我们的采样成功！

 

Moraines. Moraines. Moraines.仍然是冰碛 冰碛 冰碛

*********************

To celebrate our field work completion, we decide to hike to the highest point of Costa Rica---Cerro Chirripo. 为了庆祝完成了所有的出野外工作，我们决定去爬哥斯达黎加最高峰---Cerro Chirripo。

 

There is a notebook stored in the metal box at the summit. Whoever successfully reaches at this summit can write down his/her name in the notebook to record this meaningful moment. I looked up the previous pages, and can't find a Chinese name, so maybe I am the first Chinese that arrives here!!!!

山顶上有一个金属盒子，盒子里装了一个笔记本。无论是谁成功登顶都可以把自己的名字写进笔记本里以记录这有意义的时刻。 我查看了之前的记录，没找到一个中文名。所以我可能还是第一个在哥斯达黎加Chirripo峰登顶的中国人呢！！！

 

Dave writes down his name as well  (Nicho doesn't since he has been here multiple times). He may be the first person whose family is Porinchu in the notebook.导师也写下了他的名字，他可能是笔记本里第一个姓Porinchu的(导游Nicho就没写，因为他来这里太多次了）

 

OK! Let's head back to refugia and have a nice rest!

好的！登顶完成，我们快返回住处好好休息一下！

On the way back, we need to finish our last mission: make a detour to Lago Ditkebi and put back the heavy coring devices back to this site. Cover them with plastic tarp carefully. Tomorrow morning, 2 trained horses and their owners will come to pick up the devices and take them back to Nicho's house at foot of the mountain---the entrance of Chirripo National Park. We will see them there.

在往回走的路上，我们还需要完成最后一个任务：绕路回到第一个目标湖Ditkebi并把所有笨重的钻芯仪器放回到湖岸。用塑料布仔细地盖起来。明天早上，会有两匹训练有素的马儿和他们的主人来此处取走仪器，运到山下导游Nicho住处与我们会合。

 

NOW we are all hungry and decide to have a little break at the site. Cup noodles are the best!!!

忙了大半天，就在Ditkebi的野外吃上了杯面哈哈哈~真是美味阿（咱就不挑了。。）

 

Then leave. Farewell, Lago Ditkebi.再见啦，Lago Ditkebi。

 

Back to refugia and back to work. Sectioning Chirripo short core! Still at 0.25cm interval. 

回到住处后立马又开始工作了，给Chirripo短芯切片，仍然是0.25厘米一个样。

 

3 hours‘ sectioning and bagging......finally done.切了3个多小时。。。终于切完了。

 

Last day at Crestones, sunset is breathtakingly beautiful, as always.在Crestones的最后一天，落日晚霞还是一如既往的美。

Tomorrow, we will hike down to Nicho's house at the foot of the mountain. The hiking-down may take me another 9.5 hours (maybe fewer). So I will feast myself tonight to prepare tomorrow's hard work. EAT EAT EAT!!! 明天我们要下山了，住在山脚下Nicho的家中。下山可能又得花9.5小时（神马下山不用花那么多时间？）。所以今天晚上我要大吃一顿，为明天的辛苦工作做准备。吃！吃！吃！

 

J