From 3a2c524b5f1a7846bf73bcdea6677a00980f63e9 Mon Sep 17 00:00:00 2001
From: Hsiang-He Lee <44912417+hsiangheleellnl@users.noreply.github.com>
Date: Fri, 26 Jan 2024 09:10:27 -0800
Subject: [PATCH] Update README.md

Add the observation data doi on Zenodo.
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index e2f9ca9..95c3368 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ zppy -c ChemDyg_example_script.cfg
 ```
 **Note that the users need to change the'e3sm_unified' path on different zppy-supported machines (https://e3sm-project.github.io/zppy/_build/html/main/getting_started.html#activate-e3sm-unified-environment). 
 
+For people who cannot access zppy-supported machines, the observational data used in ChemDyg are available at https://doi.org/10.5281/zenodo.8274422. 
+
 ## License
 
 Copyright (c) 2023, Energy Exascale Earth System Model Project